File src/Analyser/NodeScopeResolver.php

1:	<?php declare(strict_types = 1);
2:
3:	namespace PHPStan\Analyser;
4:
5:	use ArrayAccess;
6:	use Closure;
7:	use DivisionByZeroError;
8:	use Override;
9:	use PhpParser\Comment\Doc;
10:	use PhpParser\Modifiers;
11:	use PhpParser\Node;
12:	use PhpParser\Node\Arg;
13:	use PhpParser\Node\AttributeGroup;
14:	use PhpParser\Node\ComplexType;
15:	use PhpParser\Node\Expr;
16:	use PhpParser\Node\Expr\Array_;
17:	use PhpParser\Node\Expr\ArrayDimFetch;
18:	use PhpParser\Node\Expr\Assign;
19:	use PhpParser\Node\Expr\AssignRef;
20:	use PhpParser\Node\Expr\BinaryOp;
21:	use PhpParser\Node\Expr\BinaryOp\BooleanAnd;
22:	use PhpParser\Node\Expr\BinaryOp\BooleanOr;
23:	use PhpParser\Node\Expr\BinaryOp\Coalesce;
24:	use PhpParser\Node\Expr\BooleanNot;
25:	use PhpParser\Node\Expr\CallLike;
26:	use PhpParser\Node\Expr\Cast;
27:	use PhpParser\Node\Expr\ConstFetch;
28:	use PhpParser\Node\Expr\ErrorSuppress;
29:	use PhpParser\Node\Expr\Exit_;
30:	use PhpParser\Node\Expr\FuncCall;
31:	use PhpParser\Node\Expr\Instanceof_;
32:	use PhpParser\Node\Expr\List_;
33:	use PhpParser\Node\Expr\MethodCall;
34:	use PhpParser\Node\Expr\New_;
35:	use PhpParser\Node\Expr\PropertyFetch;
36:	use PhpParser\Node\Expr\StaticCall;
37:	use PhpParser\Node\Expr\StaticPropertyFetch;
38:	use PhpParser\Node\Expr\Ternary;
39:	use PhpParser\Node\Expr\Variable;
40:	use PhpParser\Node\Identifier;
41:	use PhpParser\Node\Name;
42:	use PhpParser\Node\Stmt\Break_;
43:	use PhpParser\Node\Stmt\Class_;
44:	use PhpParser\Node\Stmt\Continue_;
45:	use PhpParser\Node\Stmt\Do_;
46:	use PhpParser\Node\Stmt\Echo_;
47:	use PhpParser\Node\Stmt\For_;
48:	use PhpParser\Node\Stmt\Foreach_;
49:	use PhpParser\Node\Stmt\If_;
50:	use PhpParser\Node\Stmt\InlineHTML;
51:	use PhpParser\Node\Stmt\Return_;
52:	use PhpParser\Node\Stmt\Static_;
53:	use PhpParser\Node\Stmt\Switch_;
54:	use PhpParser\Node\Stmt\TryCatch;
55:	use PhpParser\Node\Stmt\Unset_;
56:	use PhpParser\Node\Stmt\While_;
57:	use PhpParser\NodeFinder;
58:	use PhpParser\NodeTraverser;
59:	use PhpParser\NodeVisitor\CloningVisitor;
60:	use PhpParser\NodeVisitorAbstract;
61:	use PHPStan\BetterReflection\Reflection\Adapter\ReflectionClass;
62:	use PHPStan\BetterReflection\Reflection\ReflectionEnum;
63:	use PHPStan\BetterReflection\Reflector\Reflector;
64:	use PHPStan\BetterReflection\SourceLocator\Ast\Strategy\NodeToReflection;
65:	use PHPStan\BetterReflection\SourceLocator\Located\LocatedSource;
66:	use PHPStan\DependencyInjection\AutowiredParameter;
67:	use PHPStan\DependencyInjection\AutowiredService;
68:	use PHPStan\DependencyInjection\Reflection\ClassReflectionExtensionRegistryProvider;
69:	use PHPStan\DependencyInjection\Type\DynamicThrowTypeExtensionProvider;
70:	use PHPStan\DependencyInjection\Type\ParameterClosureThisExtensionProvider;
71:	use PHPStan\DependencyInjection\Type\ParameterClosureTypeExtensionProvider;
72:	use PHPStan\DependencyInjection\Type\ParameterOutTypeExtensionProvider;
73:	use PHPStan\File\FileHelper;
74:	use PHPStan\File\FileReader;
75:	use PHPStan\Node\BooleanAndNode;
76:	use PHPStan\Node\BooleanOrNode;
77:	use PHPStan\Node\BreaklessWhileLoopNode;
78:	use PHPStan\Node\CatchWithUnthrownExceptionNode;
79:	use PHPStan\Node\ClassConstantsNode;
80:	use PHPStan\Node\ClassMethodsNode;
81:	use PHPStan\Node\ClassPropertiesNode;
82:	use PHPStan\Node\ClassPropertyNode;
83:	use PHPStan\Node\ClassStatementsGatherer;
84:	use PHPStan\Node\ClosureReturnStatementsNode;
85:	use PHPStan\Node\DoWhileLoopConditionNode;
86:	use PHPStan\Node\ExecutionEndNode;
87:	use PHPStan\Node\Expr\AlwaysRememberedExpr;
88:	use PHPStan\Node\Expr\ExistingArrayDimFetch;
89:	use PHPStan\Node\Expr\GetIterableKeyTypeExpr;
90:	use PHPStan\Node\Expr\GetIterableValueTypeExpr;
91:	use PHPStan\Node\Expr\GetOffsetValueTypeExpr;
92:	use PHPStan\Node\Expr\NativeTypeExpr;
93:	use PHPStan\Node\Expr\OriginalPropertyTypeExpr;
94:	use PHPStan\Node\Expr\PropertyInitializationExpr;
95:	use PHPStan\Node\Expr\SetExistingOffsetValueTypeExpr;
96:	use PHPStan\Node\Expr\SetOffsetValueTypeExpr;
97:	use PHPStan\Node\Expr\TypeExpr;
98:	use PHPStan\Node\Expr\UnsetOffsetExpr;
99:	use PHPStan\Node\FinallyExitPointsNode;
100:	use PHPStan\Node\FunctionCallableNode;
101:	use PHPStan\Node\FunctionReturnStatementsNode;
102:	use PHPStan\Node\InArrowFunctionNode;
103:	use PHPStan\Node\InClassMethodNode;
104:	use PHPStan\Node\InClassNode;
105:	use PHPStan\Node\InClosureNode;
106:	use PHPStan\Node\InForeachNode;
107:	use PHPStan\Node\InFunctionNode;
108:	use PHPStan\Node\InPropertyHookNode;
109:	use PHPStan\Node\InstantiationCallableNode;
110:	use PHPStan\Node\InTraitNode;
111:	use PHPStan\Node\InvalidateExprNode;
112:	use PHPStan\Node\LiteralArrayItem;
113:	use PHPStan\Node\LiteralArrayNode;
114:	use PHPStan\Node\MatchExpressionArm;
115:	use PHPStan\Node\MatchExpressionArmBody;
116:	use PHPStan\Node\MatchExpressionArmCondition;
117:	use PHPStan\Node\MatchExpressionNode;
118:	use PHPStan\Node\MethodCallableNode;
119:	use PHPStan\Node\MethodReturnStatementsNode;
120:	use PHPStan\Node\NoopExpressionNode;
121:	use PHPStan\Node\PropertyAssignNode;
122:	use PHPStan\Node\PropertyHookReturnStatementsNode;
123:	use PHPStan\Node\PropertyHookStatementNode;
124:	use PHPStan\Node\ReturnStatement;
125:	use PHPStan\Node\StaticMethodCallableNode;
126:	use PHPStan\Node\UnreachableStatementNode;
127:	use PHPStan\Node\VariableAssignNode;
128:	use PHPStan\Node\VarTagChangedExpressionTypeNode;
129:	use PHPStan\Parser\ArrowFunctionArgVisitor;
130:	use PHPStan\Parser\ClosureArgVisitor;
131:	use PHPStan\Parser\ImmediatelyInvokedClosureVisitor;
132:	use PHPStan\Parser\LineAttributesVisitor;
133:	use PHPStan\Parser\Parser;
134:	use PHPStan\Php\PhpVersion;
135:	use PHPStan\PhpDoc\PhpDocInheritanceResolver;
136:	use PHPStan\PhpDoc\ResolvedPhpDocBlock;
137:	use PHPStan\PhpDoc\StubPhpDocProvider;
138:	use PHPStan\PhpDoc\Tag\VarTag;
139:	use PHPStan\Reflection\Assertions;
140:	use PHPStan\Reflection\AttributeReflectionFactory;
141:	use PHPStan\Reflection\Callables\CallableParametersAcceptor;
142:	use PHPStan\Reflection\Callables\SimpleImpurePoint;
143:	use PHPStan\Reflection\Callables\SimpleThrowPoint;
144:	use PHPStan\Reflection\ClassReflection;
145:	use PHPStan\Reflection\Deprecation\DeprecationProvider;
146:	use PHPStan\Reflection\ExtendedMethodReflection;
147:	use PHPStan\Reflection\ExtendedParameterReflection;
148:	use PHPStan\Reflection\ExtendedParametersAcceptor;
149:	use PHPStan\Reflection\FunctionReflection;
150:	use PHPStan\Reflection\InitializerExprContext;
151:	use PHPStan\Reflection\InitializerExprTypeResolver;
152:	use PHPStan\Reflection\MethodReflection;
153:	use PHPStan\Reflection\Native\NativeMethodReflection;
154:	use PHPStan\Reflection\Native\NativeParameterReflection;
155:	use PHPStan\Reflection\ParameterReflection;
156:	use PHPStan\Reflection\ParametersAcceptor;
157:	use PHPStan\Reflection\ParametersAcceptorSelector;
158:	use PHPStan\Reflection\Php\PhpFunctionFromParserNodeReflection;
159:	use PHPStan\Reflection\Php\PhpMethodFromParserNodeReflection;
160:	use PHPStan\Reflection\Php\PhpMethodReflection;
161:	use PHPStan\Reflection\Php\PhpPropertyReflection;
162:	use PHPStan\Reflection\ReflectionProvider;
163:	use PHPStan\Reflection\SignatureMap\SignatureMapProvider;
164:	use PHPStan\Rules\Properties\ReadWritePropertiesExtensionProvider;
165:	use PHPStan\ShouldNotHappenException;
166:	use PHPStan\TrinaryLogic;
167:	use PHPStan\Type\Accessory\AccessoryArrayListType;
168:	use PHPStan\Type\Accessory\HasOffsetValueType;
169:	use PHPStan\Type\Accessory\NonEmptyArrayType;
170:	use PHPStan\Type\ArrayType;
171:	use PHPStan\Type\ClosureType;
172:	use PHPStan\Type\Constant\ConstantArrayType;
173:	use PHPStan\Type\Constant\ConstantArrayTypeBuilder;
174:	use PHPStan\Type\Constant\ConstantIntegerType;
175:	use PHPStan\Type\Constant\ConstantStringType;
176:	use PHPStan\Type\ErrorType;
177:	use PHPStan\Type\FileTypeMapper;
178:	use PHPStan\Type\GeneralizePrecision;
179:	use PHPStan\Type\Generic\TemplateTypeHelper;
180:	use PHPStan\Type\Generic\TemplateTypeMap;
181:	use PHPStan\Type\Generic\TemplateTypeVariance;
182:	use PHPStan\Type\Generic\TemplateTypeVarianceMap;
183:	use PHPStan\Type\IntegerType;
184:	use PHPStan\Type\IntersectionType;
185:	use PHPStan\Type\MixedType;
186:	use PHPStan\Type\NeverType;
187:	use PHPStan\Type\NullType;
188:	use PHPStan\Type\ObjectType;
189:	use PHPStan\Type\ObjectWithoutClassType;
190:	use PHPStan\Type\ParserNodeTypeToPHPStanType;
191:	use PHPStan\Type\ResourceType;
192:	use PHPStan\Type\StaticType;
193:	use PHPStan\Type\StaticTypeFactory;
194:	use PHPStan\Type\StringType;
195:	use PHPStan\Type\ThisType;
196:	use PHPStan\Type\Type;
197:	use PHPStan\Type\TypeCombinator;
198:	use PHPStan\Type\TypeTraverser;
199:	use PHPStan\Type\TypeUtils;
200:	use PHPStan\Type\UnionType;
201:	use ReflectionProperty;
202:	use Throwable;
203:	use Traversable;
204:	use TypeError;
205:	use UnhandledMatchError;
206:	use function array_fill_keys;
207:	use function array_filter;
208:	use function array_key_exists;
209:	use function array_key_last;
210:	use function array_keys;
211:	use function array_map;
212:	use function array_merge;
213:	use function array_pop;
214:	use function array_reverse;
215:	use function array_slice;
216:	use function array_values;
217:	use function base64_decode;
218:	use function count;
219:	use function in_array;
220:	use function is_array;
221:	use function is_int;
222:	use function is_string;
223:	use function ksort;
224:	use function sprintf;
225:	use function str_starts_with;
226:	use function strtolower;
227:	use function trim;
228:	use function usort;
229:	use const PHP_VERSION_ID;
230:	use const SORT_NUMERIC;
231:
232:	#[AutowiredService]
233:	final class NodeScopeResolver
234:	{
235:
236:	private const LOOP_SCOPE_ITERATIONS = 3;
237:	private const GENERALIZE_AFTER_ITERATION = 1;
238:
239:	/** @var bool[] filePath(string) => bool(true) */
240:	private array $analysedFiles = [];
241:
242:	/** @var array<string, true> */
243:	private array $earlyTerminatingMethodNames;
244:
245:	/** @var array<string, true> */
246:	private array $calledMethodStack = [];
247:
248:	/** @var array<string, MutatingScope\|null> */
249:	private array $calledMethodResults = [];
250:
251:	/**
252:	* @param string[][] $earlyTerminatingMethodCalls className(string) => methods(string[])
253:	* @param array<int, string> $earlyTerminatingFunctionCalls
254:	* @param string[] $universalObjectCratesClasses
255:	*/
256:	public function __construct(
257:	private readonly ReflectionProvider $reflectionProvider,
258:	private readonly InitializerExprTypeResolver $initializerExprTypeResolver,
259:	#[AutowiredParameter(ref: '@nodeScopeResolverReflector')]
260:	private readonly Reflector $reflector,
261:	private readonly ClassReflectionExtensionRegistryProvider $classReflectionExtensionRegistryProvider,
262:	private readonly ParameterOutTypeExtensionProvider $parameterOutTypeExtensionProvider,
263:	#[AutowiredParameter(ref: '@defaultAnalysisParser')]
264:	private readonly Parser $parser,
265:	private readonly FileTypeMapper $fileTypeMapper,
266:	private readonly StubPhpDocProvider $stubPhpDocProvider,
267:	private readonly PhpVersion $phpVersion,
268:	private readonly SignatureMapProvider $signatureMapProvider,
269:	private readonly DeprecationProvider $deprecationProvider,
270:	private readonly AttributeReflectionFactory $attributeReflectionFactory,
271:	private readonly PhpDocInheritanceResolver $phpDocInheritanceResolver,
272:	private readonly FileHelper $fileHelper,
273:	private readonly TypeSpecifier $typeSpecifier,
274:	private readonly DynamicThrowTypeExtensionProvider $dynamicThrowTypeExtensionProvider,
275:	private readonly ReadWritePropertiesExtensionProvider $readWritePropertiesExtensionProvider,
276:	private readonly ParameterClosureThisExtensionProvider $parameterClosureThisExtensionProvider,
277:	private readonly ParameterClosureTypeExtensionProvider $parameterClosureTypeExtensionProvider,
278:	private readonly ScopeFactory $scopeFactory,
279:	#[AutowiredParameter]
280:	private readonly bool $polluteScopeWithLoopInitialAssignments,
281:	#[AutowiredParameter]
282:	private readonly bool $polluteScopeWithAlwaysIterableForeach,
283:	#[AutowiredParameter]
284:	private readonly bool $polluteScopeWithBlock,
285:	#[AutowiredParameter]
286:	private readonly array $earlyTerminatingMethodCalls,
287:	#[AutowiredParameter]
288:	private readonly array $earlyTerminatingFunctionCalls,
289:	#[AutowiredParameter]
290:	private readonly array $universalObjectCratesClasses,
291:	#[AutowiredParameter(ref: '%exceptions.implicitThrows%')]
292:	private readonly bool $implicitThrows,
293:	#[AutowiredParameter]
294:	private readonly bool $treatPhpDocTypesAsCertain,
295:	private readonly bool $narrowMethodScopeFromConstructor = true,
296:	)
297:	{
298:	$earlyTerminatingMethodNames = [];
299:	foreach ($this->earlyTerminatingMethodCalls as $methodNames) {
300:	foreach ($methodNames as $methodName) {
301:	$earlyTerminatingMethodNames[strtolower($methodName)] = true;
302:	}
303:	}
304:	$this->earlyTerminatingMethodNames = $earlyTerminatingMethodNames;
305:	}
306:
307:	/**
308:	* @api
309:	* @param string[] $files
310:	*/
311:	public function setAnalysedFiles(array $files): void
312:	{
313:	$this->analysedFiles = array_fill_keys($files, true);
314:	}
315:
316:	/**
317:	* @api
318:	* @param Node[] $nodes
319:	* @param callable(Node $node, Scope $scope): void $nodeCallback
320:	*/
321:	public function processNodes(
322:	array $nodes,
323:	MutatingScope $scope,
324:	callable $nodeCallback,
325:	): void
326:	{
327:	$alreadyTerminated = false;
328:	foreach ($nodes as $i => $node) {
329:	if (
330:	!$node instanceof Node\Stmt
331:	\|\| ($alreadyTerminated && !($node instanceof Node\Stmt\Function_ \|\| $node instanceof Node\Stmt\ClassLike))
332:	) {
333:	continue;
334:	}
335:
336:	$statementResult = $this->processStmtNode($node, $scope, $nodeCallback, StatementContext::createTopLevel());
337:	$scope = $statementResult->getScope();
338:	if ($alreadyTerminated \|\| !$statementResult->isAlwaysTerminating()) {
339:	continue;
340:	}
341:
342:	$alreadyTerminated = true;
343:	$nextStmts = $this->getNextUnreachableStatements(array_slice($nodes, $i + 1), true);
344:	$this->processUnreachableStatement($nextStmts, $scope, $nodeCallback);
345:	}
346:	}
347:
348:	/**
349:	* @param Node\Stmt[] $nextStmts
350:	* @param callable(Node $node, Scope $scope): void $nodeCallback
351:	*/
352:	private function processUnreachableStatement(array $nextStmts, MutatingScope $scope, callable $nodeCallback): void
353:	{
354:	if ($nextStmts === []) {
355:	return;
356:	}
357:
358:	$unreachableStatement = null;
359:	$nextStatements = [];
360:
361:	foreach ($nextStmts as $key => $nextStmt) {
362:	if ($key === 0) {
363:	$unreachableStatement = $nextStmt;
364:	continue;
365:	}
366:
367:	$nextStatements[] = $nextStmt;
368:	}
369:
370:	if (!$unreachableStatement instanceof Node\Stmt) {
371:	return;
372:	}
373:
374:	$nodeCallback(new UnreachableStatementNode($unreachableStatement, $nextStatements), $scope);
375:	}
376:
377:	/**
378:	* @api
379:	* @param Node\Stmt[] $stmts
380:	* @param callable(Node $node, Scope $scope): void $nodeCallback
381:	*/
382:	public function processStmtNodes(
383:	Node $parentNode,
384:	array $stmts,
385:	MutatingScope $scope,
386:	callable $nodeCallback,
387:	StatementContext $context,
388:	): StatementResult
389:	{
390:	$exitPoints = [];
391:	$throwPoints = [];
392:	$impurePoints = [];
393:	$alreadyTerminated = false;
394:	$hasYield = false;
395:	$stmtCount = count($stmts);
396:	$shouldCheckLastStatement = $parentNode instanceof Node\Stmt\Function_
397:	\|\| $parentNode instanceof Node\Stmt\ClassMethod
398:	\|\| $parentNode instanceof PropertyHookStatementNode
399:	\|\| $parentNode instanceof Expr\Closure;
400:	foreach ($stmts as $i => $stmt) {
401:	if ($alreadyTerminated && !($stmt instanceof Node\Stmt\Function_ \|\| $stmt instanceof Node\Stmt\ClassLike)) {
402:	continue;
403:	}
404:
405:	$isLast = $i === $stmtCount - 1;
406:	$statementResult = $this->processStmtNode(
407:	$stmt,
408:	$scope,
409:	$nodeCallback,
410:	$context,
411:	);
412:	$scope = $statementResult->getScope();
413:	$hasYield = $hasYield \|\| $statementResult->hasYield();
414:
415:	if ($shouldCheckLastStatement && $isLast) {
416:	$endStatements = $statementResult->getEndStatements();
417:	if (count($endStatements) > 0) {
418:	foreach ($endStatements as $endStatement) {
419:	$endStatementResult = $endStatement->getResult();
420:	$nodeCallback(new ExecutionEndNode(
421:	$endStatement->getStatement(),
422:	new StatementResult(
423:	$endStatementResult->getScope(),
424:	$hasYield,
425:	$endStatementResult->isAlwaysTerminating(),
426:	$endStatementResult->getExitPoints(),
427:	$endStatementResult->getThrowPoints(),
428:	$endStatementResult->getImpurePoints(),
429:	),
430:	$parentNode->getReturnType() !== null,
431:	), $endStatementResult->getScope());
432:	}
433:	} else {
434:	$nodeCallback(new ExecutionEndNode(
435:	$stmt,
436:	new StatementResult(
437:	$scope,
438:	$hasYield,
439:	$statementResult->isAlwaysTerminating(),
440:	$statementResult->getExitPoints(),
441:	$statementResult->getThrowPoints(),
442:	$statementResult->getImpurePoints(),
443:	),
444:	$parentNode->getReturnType() !== null,
445:	), $scope);
446:	}
447:	}
448:
449:	$exitPoints = array_merge($exitPoints, $statementResult->getExitPoints());
450:	$throwPoints = array_merge($throwPoints, $statementResult->getThrowPoints());
451:	$impurePoints = array_merge($impurePoints, $statementResult->getImpurePoints());
452:
453:	if ($alreadyTerminated \|\| !$statementResult->isAlwaysTerminating()) {
454:	continue;
455:	}
456:
457:	$alreadyTerminated = true;
458:	$nextStmts = $this->getNextUnreachableStatements(array_slice($stmts, $i + 1), $parentNode instanceof Node\Stmt\Namespace_);
459:	$this->processUnreachableStatement($nextStmts, $scope, $nodeCallback);
460:	}
461:
462:	$statementResult = new StatementResult($scope, $hasYield, $alreadyTerminated, $exitPoints, $throwPoints, $impurePoints);
463:	if ($stmtCount === 0 && $shouldCheckLastStatement) {
464:	$returnTypeNode = $parentNode->getReturnType();
465:	if ($parentNode instanceof Expr\Closure) {
466:	$parentNode = new Node\Stmt\Expression($parentNode, $parentNode->getAttributes());
467:	}
468:	$nodeCallback(new ExecutionEndNode(
469:	$parentNode,
470:	$statementResult,
471:	$returnTypeNode !== null,
472:	), $scope);
473:	}
474:
475:	return $statementResult;
476:	}
477:
478:	/**
479:	* @param callable(Node $node, Scope $scope): void $nodeCallback
480:	*/
481:	private function processStmtNode(
482:	Node\Stmt $stmt,
483:	MutatingScope $scope,
484:	callable $nodeCallback,
485:	StatementContext $context,
486:	): StatementResult
487:	{
488:	if (
489:	!$stmt instanceof Static_
490:	&& !$stmt instanceof Foreach_
491:	&& !$stmt instanceof Node\Stmt\Global_
492:	&& !$stmt instanceof Node\Stmt\Property
493:	&& !$stmt instanceof Node\Stmt\ClassConst
494:	&& !$stmt instanceof Node\Stmt\Const_
495:	) {
496:	$scope = $this->processStmtVarAnnotation($scope, $stmt, null, $nodeCallback);
497:	}
498:
499:	if ($stmt instanceof Node\Stmt\ClassMethod) {
500:	if (!$scope->isInClass()) {
501:	throw new ShouldNotHappenException();
502:	}
503:	if (
504:	$scope->isInTrait()
505:	&& $scope->getClassReflection()->hasNativeMethod($stmt->name->toString())
506:	) {
507:	$methodReflection = $scope->getClassReflection()->getNativeMethod($stmt->name->toString());
508:	if ($methodReflection instanceof NativeMethodReflection) {
509:	return new StatementResult($scope, false, false, [], [], []);
510:	}
511:	if ($methodReflection instanceof PhpMethodReflection) {
512:	$declaringTrait = $methodReflection->getDeclaringTrait();
513:	if ($declaringTrait === null \|\| $declaringTrait->getName() !== $scope->getTraitReflection()->getName()) {
514:	return new StatementResult($scope, false, false, [], [], []);
515:	}
516:	}
517:	}
518:	}
519:
520:	$stmtScope = $scope;
521:	if ($stmt instanceof Node\Stmt\Expression && $stmt->expr instanceof Expr\Throw_) {
522:	$stmtScope = $this->processStmtVarAnnotation($scope, $stmt, $stmt->expr->expr, $nodeCallback);
523:	}
524:	if ($stmt instanceof Return_) {
525:	$stmtScope = $this->processStmtVarAnnotation($scope, $stmt, $stmt->expr, $nodeCallback);
526:	}
527:
528:	$nodeCallback($stmt, $stmtScope);
529:
530:	$overridingThrowPoints = $this->getOverridingThrowPoints($stmt, $scope);
531:
532:	if ($stmt instanceof Node\Stmt\Declare_) {
533:	$hasYield = false;
534:	$throwPoints = [];
535:	$impurePoints = [];
536:	$alwaysTerminating = false;
537:	$exitPoints = [];
538:	foreach ($stmt->declares as $declare) {
539:	$nodeCallback($declare, $scope);
540:	$nodeCallback($declare->value, $scope);
541:	if (
542:	$declare->key->name !== 'strict_types'
543:	\|\| !($declare->value instanceof Node\Scalar\Int_)
544:	\|\| $declare->value->value !== 1
545:	) {
546:	continue;
547:	}
548:
549:	$scope = $scope->enterDeclareStrictTypes();
550:	}
551:
552:	if ($stmt->stmts !== null) {
553:	$result = $this->processStmtNodes($stmt, $stmt->stmts, $scope, $nodeCallback, $context);
554:	$scope = $result->getScope();
555:	$hasYield = $result->hasYield();
556:	$throwPoints = $result->getThrowPoints();
557:	$impurePoints = $result->getImpurePoints();
558:	$alwaysTerminating = $result->isAlwaysTerminating();
559:	$exitPoints = $result->getExitPoints();
560:	}
561:
562:	return new StatementResult($scope, $hasYield, $alwaysTerminating, $exitPoints, $throwPoints, $impurePoints);
563:	} elseif ($stmt instanceof Node\Stmt\Function_) {
564:	$hasYield = false;
565:	$throwPoints = [];
566:	$impurePoints = [];
567:	$this->processAttributeGroups($stmt, $stmt->attrGroups, $scope, $nodeCallback);
568:	[$templateTypeMap, $phpDocParameterTypes, $phpDocImmediatelyInvokedCallableParameters, $phpDocClosureThisTypeParameters, $phpDocReturnType, $phpDocThrowType, $deprecatedDescription, $isDeprecated, $isInternal, , $isPure, $acceptsNamedArguments, , $phpDocComment, $asserts,, $phpDocParameterOutTypes] = $this->getPhpDocs($scope, $stmt);
569:
570:	foreach ($stmt->params as $param) {
571:	$this->processParamNode($stmt, $param, $scope, $nodeCallback);
572:	}
573:
574:	if ($stmt->returnType !== null) {
575:	$nodeCallback($stmt->returnType, $scope);
576:	}
577:
578:	if (!$isDeprecated) {
579:	[$isDeprecated, $deprecatedDescription] = $this->getDeprecatedAttribute($scope, $stmt);
580:	}
581:
582:	$functionScope = $scope->enterFunction(
583:	$stmt,
584:	$templateTypeMap,
585:	$phpDocParameterTypes,
586:	$phpDocReturnType,
587:	$phpDocThrowType,
588:	$deprecatedDescription,
589:	$isDeprecated,
590:	$isInternal,
591:	$isPure,
592:	$acceptsNamedArguments,
593:	$asserts,
594:	$phpDocComment,
595:	$phpDocParameterOutTypes,
596:	$phpDocImmediatelyInvokedCallableParameters,
597:	$phpDocClosureThisTypeParameters,
598:	);
599:	$functionReflection = $functionScope->getFunction();
600:	if (!$functionReflection instanceof PhpFunctionFromParserNodeReflection) {
601:	throw new ShouldNotHappenException();
602:	}
603:
604:	$nodeCallback(new InFunctionNode($functionReflection, $stmt), $functionScope);
605:
606:	$gatheredReturnStatements = [];
607:	$gatheredYieldStatements = [];
608:	$executionEnds = [];
609:	$functionImpurePoints = [];
610:	$statementResult = $this->processStmtNodes($stmt, $stmt->stmts, $functionScope, static function (Node $node, Scope $scope) use ($nodeCallback, $functionScope, &$gatheredReturnStatements, &$gatheredYieldStatements, &$executionEnds, &$functionImpurePoints): void {
611:	$nodeCallback($node, $scope);
612:	if ($scope->getFunction() !== $functionScope->getFunction()) {
613:	return;
614:	}
615:	if ($scope->isInAnonymousFunction()) {
616:	return;
617:	}
618:	if ($node instanceof PropertyAssignNode) {
619:	$functionImpurePoints[] = new ImpurePoint(
620:	$scope,
621:	$node,
622:	'propertyAssign',
623:	'property assignment',
624:	true,
625:	);
626:	return;
627:	}
628:	if ($node instanceof ExecutionEndNode) {
629:	$executionEnds[] = $node;
630:	return;
631:	}
632:	if ($node instanceof Expr\Yield_ \|\| $node instanceof Expr\YieldFrom) {
633:	$gatheredYieldStatements[] = $node;
634:	}
635:	if (!$node instanceof Return_) {
636:	return;
637:	}
638:
639:	$gatheredReturnStatements[] = new ReturnStatement($scope, $node);
640:	}, StatementContext::createTopLevel());
641:
642:	$nodeCallback(new FunctionReturnStatementsNode(
643:	$stmt,
644:	$gatheredReturnStatements,
645:	$gatheredYieldStatements,
646:	$statementResult,
647:	$executionEnds,
648:	array_merge($statementResult->getImpurePoints(), $functionImpurePoints),
649:	$functionReflection,
650:	), $functionScope);
651:	} elseif ($stmt instanceof Node\Stmt\ClassMethod) {
652:	$hasYield = false;
653:	$throwPoints = [];
654:	$impurePoints = [];
655:	$this->processAttributeGroups($stmt, $stmt->attrGroups, $scope, $nodeCallback);
656:	[$templateTypeMap, $phpDocParameterTypes, $phpDocImmediatelyInvokedCallableParameters, $phpDocClosureThisTypeParameters, $phpDocReturnType, $phpDocThrowType, $deprecatedDescription, $isDeprecated, $isInternal, $isFinal, $isPure, $acceptsNamedArguments, $isReadOnly, $phpDocComment, $asserts, $selfOutType, $phpDocParameterOutTypes] = $this->getPhpDocs($scope, $stmt);
657:
658:	foreach ($stmt->params as $param) {
659:	$this->processParamNode($stmt, $param, $scope, $nodeCallback);
660:	}
661:
662:	if ($stmt->returnType !== null) {
663:	$nodeCallback($stmt->returnType, $scope);
664:	}
665:
666:	if (!$isDeprecated) {
667:	[$isDeprecated, $deprecatedDescription] = $this->getDeprecatedAttribute($scope, $stmt);
668:	}
669:
670:	$isFromTrait = $stmt->getAttribute('originalTraitMethodName') === '__construct';
671:	$isConstructor = $isFromTrait \|\| $stmt->name->toLowerString() === '__construct';
672:
673:	$methodScope = $scope->enterClassMethod(
674:	$stmt,
675:	$templateTypeMap,
676:	$phpDocParameterTypes,
677:	$phpDocReturnType,
678:	$phpDocThrowType,
679:	$deprecatedDescription,
680:	$isDeprecated,
681:	$isInternal,
682:	$isFinal,
683:	$isPure,
684:	$acceptsNamedArguments,
685:	$asserts,
686:	$selfOutType,
687:	$phpDocComment,
688:	$phpDocParameterOutTypes,
689:	$phpDocImmediatelyInvokedCallableParameters,
690:	$phpDocClosureThisTypeParameters,
691:	$isConstructor,
692:	);
693:
694:	if (!$scope->isInClass()) {
695:	throw new ShouldNotHappenException();
696:	}
697:
698:	$classReflection = $scope->getClassReflection();
699:
700:	if ($isConstructor) {
701:	foreach ($stmt->params as $param) {
702:	if ($param->flags === 0 && $param->hooks === []) {
703:	continue;
704:	}
705:
706:	if (!$param->var instanceof Variable \|\| !is_string($param->var->name) \|\| $param->var->name === '') {
707:	throw new ShouldNotHappenException();
708:	}
709:	$phpDoc = null;
710:	if ($param->getDocComment() !== null) {
711:	$phpDoc = $param->getDocComment()->getText();
712:	}
713:	$nodeCallback(new ClassPropertyNode(
714:	$param->var->name,
715:	$param->flags,
716:	$param->type !== null ? ParserNodeTypeToPHPStanType::resolve($param->type, $classReflection) : null,
717:	null,
718:	$phpDoc,
719:	$phpDocParameterTypes[$param->var->name] ?? null,
720:	true,
721:	$isFromTrait,
722:	$param,
723:	$isReadOnly,
724:	$scope->isInTrait(),
725:	$classReflection->isReadOnly(),
726:	false,
727:	$classReflection,
728:	), $methodScope);
729:	$this->processPropertyHooks(
730:	$stmt,
731:	$param->type,
732:	$phpDocParameterTypes[$param->var->name] ?? null,
733:	$param->var->name,
734:	$param->hooks,
735:	$scope,
736:	$nodeCallback,
737:	);
738:	$methodScope = $methodScope->assignExpression(new PropertyInitializationExpr($param->var->name), new MixedType(), new MixedType());
739:	}
740:	}
741:
742:	if ($stmt->getAttribute('virtual', false) === false) {
743:	$methodReflection = $methodScope->getFunction();
744:	if (!$methodReflection instanceof PhpMethodFromParserNodeReflection) {
745:	throw new ShouldNotHappenException();
746:	}
747:	$nodeCallback(new InClassMethodNode($classReflection, $methodReflection, $stmt), $methodScope);
748:	}
749:
750:	if ($stmt->stmts !== null) {
751:	$gatheredReturnStatements = [];
752:	$gatheredYieldStatements = [];
753:	$executionEnds = [];
754:	$methodImpurePoints = [];
755:	$statementResult = $this->processStmtNodes($stmt, $stmt->stmts, $methodScope, static function (Node $node, Scope $scope) use ($nodeCallback, $methodScope, &$gatheredReturnStatements, &$gatheredYieldStatements, &$executionEnds, &$methodImpurePoints): void {
756:	$nodeCallback($node, $scope);
757:	if ($scope->getFunction() !== $methodScope->getFunction()) {
758:	return;
759:	}
760:	if ($scope->isInAnonymousFunction()) {
761:	return;
762:	}
763:	if ($node instanceof PropertyAssignNode) {
764:	if (
765:	$node->getPropertyFetch() instanceof Expr\PropertyFetch
766:	&& $scope->getFunction() instanceof PhpMethodFromParserNodeReflection
767:	&& $scope->getFunction()->getDeclaringClass()->hasConstructor()
768:	&& $scope->getFunction()->getDeclaringClass()->getConstructor()->getName() === $scope->getFunction()->getName()
769:	&& TypeUtils::findThisType($scope->getType($node->getPropertyFetch()->var)) !== null
770:	) {
771:	return;
772:	}
773:	$methodImpurePoints[] = new ImpurePoint(
774:	$scope,
775:	$node,
776:	'propertyAssign',
777:	'property assignment',
778:	true,
779:	);
780:	return;
781:	}
782:	if ($node instanceof ExecutionEndNode) {
783:	$executionEnds[] = $node;
784:	return;
785:	}
786:	if ($node instanceof Expr\Yield_ \|\| $node instanceof Expr\YieldFrom) {
787:	$gatheredYieldStatements[] = $node;
788:	}
789:	if (!$node instanceof Return_) {
790:	return;
791:	}
792:
793:	$gatheredReturnStatements[] = new ReturnStatement($scope, $node);
794:	}, StatementContext::createTopLevel());
795:
796:	$methodReflection = $methodScope->getFunction();
797:	if (!$methodReflection instanceof PhpMethodFromParserNodeReflection) {
798:	throw new ShouldNotHappenException();
799:	}
800:
801:	$nodeCallback(new MethodReturnStatementsNode(
802:	$stmt,
803:	$gatheredReturnStatements,
804:	$gatheredYieldStatements,
805:	$statementResult,
806:	$executionEnds,
807:	array_merge($statementResult->getImpurePoints(), $methodImpurePoints),
808:	$classReflection,
809:	$methodReflection,
810:	), $methodScope);
811:
812:	if ($isConstructor && $this->narrowMethodScopeFromConstructor) {
813:	$finalScope = null;
814:
815:	foreach ($executionEnds as $executionEnd) {
816:	if ($executionEnd->getStatementResult()->isAlwaysTerminating()) {
817:	continue;
818:	}
819:
820:	$endScope = $executionEnd->getStatementResult()->getScope();
821:	if ($finalScope === null) {
822:	$finalScope = $endScope;
823:	continue;
824:	}
825:
826:	$finalScope = $finalScope->mergeWith($endScope);
827:	}
828:
829:	foreach ($gatheredReturnStatements as $statement) {
830:	if ($finalScope === null) {
831:	$finalScope = $statement->getScope();
832:	continue;
833:	}
834:
835:	$finalScope = $finalScope->mergeWith($statement->getScope());
836:	}
837:
838:	if ($finalScope !== null) {
839:	$scope = $finalScope->rememberConstructorScope();
840:	}
841:
842:	}
843:	}
844:	} elseif ($stmt instanceof Echo_) {
845:	$hasYield = false;
846:	$throwPoints = [];
847:	$isAlwaysTerminating = false;
848:	foreach ($stmt->exprs as $echoExpr) {
849:	$result = $this->processExprNode($stmt, $echoExpr, $scope, $nodeCallback, ExpressionContext::createDeep());
850:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
851:	$scope = $result->getScope();
852:	$hasYield = $hasYield \|\| $result->hasYield();
853:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
854:	}
855:
856:	$throwPoints = $overridingThrowPoints ?? $throwPoints;
857:	$impurePoints = [
858:	new ImpurePoint($scope, $stmt, 'echo', 'echo', true),
859:	];
860:	return new StatementResult($scope, $hasYield, $isAlwaysTerminating, [], $throwPoints, $impurePoints);
861:	} elseif ($stmt instanceof Return_) {
862:	if ($stmt->expr !== null) {
863:	$result = $this->processExprNode($stmt, $stmt->expr, $scope, $nodeCallback, ExpressionContext::createDeep());
864:	$throwPoints = $result->getThrowPoints();
865:	$impurePoints = $result->getImpurePoints();
866:	$scope = $result->getScope();
867:	$hasYield = $result->hasYield();
868:	} else {
869:	$hasYield = false;
870:	$throwPoints = [];
871:	$impurePoints = [];
872:	}
873:
874:	return new StatementResult($scope, $hasYield, true, [
875:	new StatementExitPoint($stmt, $scope),
876:	], $overridingThrowPoints ?? $throwPoints, $impurePoints);
877:	} elseif ($stmt instanceof Continue_ \|\| $stmt instanceof Break_) {
878:	if ($stmt->num !== null) {
879:	$result = $this->processExprNode($stmt, $stmt->num, $scope, $nodeCallback, ExpressionContext::createDeep());
880:	$scope = $result->getScope();
881:	$hasYield = $result->hasYield();
882:	$throwPoints = $result->getThrowPoints();
883:	$impurePoints = $result->getImpurePoints();
884:	} else {
885:	$hasYield = false;
886:	$throwPoints = [];
887:	$impurePoints = [];
888:	}
889:
890:	return new StatementResult($scope, $hasYield, true, [
891:	new StatementExitPoint($stmt, $scope),
892:	], $overridingThrowPoints ?? $throwPoints, $impurePoints);
893:	} elseif ($stmt instanceof Node\Stmt\Expression) {
894:	if ($stmt->expr instanceof Expr\Throw_) {
895:	$scope = $stmtScope;
896:	}
897:	$earlyTerminationExpr = $this->findEarlyTerminatingExpr($stmt->expr, $scope);
898:	$hasAssign = false;
899:	$currentScope = $scope;
900:	$result = $this->processExprNode($stmt, $stmt->expr, $scope, static function (Node $node, Scope $scope) use ($nodeCallback, $currentScope, &$hasAssign): void {
901:	$nodeCallback($node, $scope);
902:	if ($scope->getAnonymousFunctionReflection() !== $currentScope->getAnonymousFunctionReflection()) {
903:	return;
904:	}
905:	if ($scope->getFunction() !== $currentScope->getFunction()) {
906:	return;
907:	}
908:	if (!$node instanceof VariableAssignNode && !$node instanceof PropertyAssignNode) {
909:	return;
910:	}
911:
912:	$hasAssign = true;
913:	}, ExpressionContext::createTopLevel());
914:	$throwPoints = array_filter($result->getThrowPoints(), static fn ($throwPoint) => $throwPoint->isExplicit());
915:	if (
916:	count($result->getImpurePoints()) === 0
917:	&& count($throwPoints) === 0
918:	&& !$stmt->expr instanceof Expr\PostInc
919:	&& !$stmt->expr instanceof Expr\PreInc
920:	&& !$stmt->expr instanceof Expr\PostDec
921:	&& !$stmt->expr instanceof Expr\PreDec
922:	) {
923:	$nodeCallback(new NoopExpressionNode($stmt->expr, $hasAssign), $scope);
924:	}
925:	$scope = $result->getScope();
926:	$scope = $scope->filterBySpecifiedTypes($this->typeSpecifier->specifyTypesInCondition(
927:	$scope,
928:	$stmt->expr,
929:	TypeSpecifierContext::createNull(),
930:	));
931:	$hasYield = $result->hasYield();
932:	$throwPoints = $result->getThrowPoints();
933:	$impurePoints = $result->getImpurePoints();
934:	$isAlwaysTerminating = $result->isAlwaysTerminating();
935:
936:	if ($earlyTerminationExpr !== null) {
937:	return new StatementResult($scope, $hasYield, true, [
938:	new StatementExitPoint($stmt, $scope),
939:	], $overridingThrowPoints ?? $throwPoints, $impurePoints);
940:	}
941:	return new StatementResult($scope, $hasYield, $isAlwaysTerminating, [], $overridingThrowPoints ?? $throwPoints, $impurePoints);
942:	} elseif ($stmt instanceof Node\Stmt\Namespace_) {
943:	if ($stmt->name !== null) {
944:	$scope = $scope->enterNamespace($stmt->name->toString());
945:	}
946:
947:	$scope = $this->processStmtNodes($stmt, $stmt->stmts, $scope, $nodeCallback, $context)->getScope();
948:	$hasYield = false;
949:	$throwPoints = [];
950:	$impurePoints = [];
951:	} elseif ($stmt instanceof Node\Stmt\Trait_) {
952:	return new StatementResult($scope, false, false, [], [], []);
953:	} elseif ($stmt instanceof Node\Stmt\ClassLike) {
954:	if (!$context->isTopLevel()) {
955:	return new StatementResult($scope, false, false, [], [], []);
956:	}
957:	$hasYield = false;
958:	$throwPoints = [];
959:	$impurePoints = [];
960:	if (isset($stmt->namespacedName)) {
961:	$classReflection = $this->getCurrentClassReflection($stmt, $stmt->namespacedName->toString(), $scope);
962:	$classScope = $scope->enterClass($classReflection);
963:	$nodeCallback(new InClassNode($stmt, $classReflection), $classScope);
964:	} elseif ($stmt instanceof Class_) {
965:	if ($stmt->name === null) {
966:	throw new ShouldNotHappenException();
967:	}
968:	if (!$stmt->isAnonymous()) {
969:	$classReflection = $this->reflectionProvider->getClass($stmt->name->toString());
970:	} else {
971:	$classReflection = $this->reflectionProvider->getAnonymousClassReflection($stmt, $scope);
972:	}
973:	$classScope = $scope->enterClass($classReflection);
974:	$nodeCallback(new InClassNode($stmt, $classReflection), $classScope);
975:	} else {
976:	throw new ShouldNotHappenException();
977:	}
978:
979:	$classStatementsGatherer = new ClassStatementsGatherer($classReflection, $nodeCallback);
980:	$this->processAttributeGroups($stmt, $stmt->attrGroups, $classScope, $classStatementsGatherer);
981:
982:	$classLikeStatements = $stmt->stmts;
983:	if ($this->narrowMethodScopeFromConstructor) {
984:	// analyze static methods first; constructor next; instance methods and property hooks last so we can carry over the scope
985:	usort($classLikeStatements, static function ($a, $b) {
986:	if ($a instanceof Node\Stmt\Property) {
987:	return 1;
988:	}
989:	if ($b instanceof Node\Stmt\Property) {
990:	return -1;
991:	}
992:
993:	if (!$a instanceof Node\Stmt\ClassMethod \|\| !$b instanceof Node\Stmt\ClassMethod) {
994:	return 0;
995:	}
996:
997:	return [!$a->isStatic(), $a->name->toLowerString() !== '__construct'] <=> [!$b->isStatic(), $b->name->toLowerString() !== '__construct'];
998:	});
999:	}
1000:
1001:	$this->processStmtNodes($stmt, $classLikeStatements, $classScope, $classStatementsGatherer, $context);
1002:	$nodeCallback(new ClassPropertiesNode($stmt, $this->readWritePropertiesExtensionProvider, $classStatementsGatherer->getProperties(), $classStatementsGatherer->getPropertyUsages(), $classStatementsGatherer->getMethodCalls(), $classStatementsGatherer->getReturnStatementsNodes(), $classStatementsGatherer->getPropertyAssigns(), $classReflection), $classScope);
1003:	$nodeCallback(new ClassMethodsNode($stmt, $classStatementsGatherer->getMethods(), $classStatementsGatherer->getMethodCalls(), $classReflection), $classScope);
1004:	$nodeCallback(new ClassConstantsNode($stmt, $classStatementsGatherer->getConstants(), $classStatementsGatherer->getConstantFetches(), $classReflection), $classScope);
1005:	$classReflection->evictPrivateSymbols();
1006:	$this->calledMethodResults = [];
1007:	} elseif ($stmt instanceof Node\Stmt\Property) {
1008:	$hasYield = false;
1009:	$throwPoints = [];
1010:	$impurePoints = [];
1011:	$this->processAttributeGroups($stmt, $stmt->attrGroups, $scope, $nodeCallback);
1012:
1013:	$nativePropertyType = $stmt->type !== null ? ParserNodeTypeToPHPStanType::resolve($stmt->type, $scope->getClassReflection()) : null;
1014:
1015:	[,,,,,,,,,,,,$isReadOnly, $docComment, ,,,$varTags, $isAllowedPrivateMutation] = $this->getPhpDocs($scope, $stmt);
1016:	$phpDocType = null;
1017:	if (isset($varTags[0]) && count($varTags) === 1) {
1018:	$phpDocType = $varTags[0]->getType();
1019:	}
1020:
1021:	foreach ($stmt->props as $prop) {
1022:	$nodeCallback($prop, $scope);
1023:	if ($prop->default !== null) {
1024:	$this->processExprNode($stmt, $prop->default, $scope, $nodeCallback, ExpressionContext::createDeep());
1025:	}
1026:
1027:	if (!$scope->isInClass()) {
1028:	throw new ShouldNotHappenException();
1029:	}
1030:	$propertyName = $prop->name->toString();
1031:
1032:	if ($phpDocType === null) {
1033:	if (isset($varTags[$propertyName])) {
1034:	$phpDocType = $varTags[$propertyName]->getType();
1035:	}
1036:	}
1037:
1038:	$propStmt = clone $stmt;
1039:	$propStmt->setAttributes($prop->getAttributes());
1040:	$nodeCallback(
1041:	new ClassPropertyNode(
1042:	$propertyName,
1043:	$stmt->flags,
1044:	$nativePropertyType,
1045:	$prop->default,
1046:	$docComment,
1047:	$phpDocType,
1048:	false,
1049:	false,
1050:	$propStmt,
1051:	$isReadOnly,
1052:	$scope->isInTrait(),
1053:	$scope->getClassReflection()->isReadOnly(),
1054:	$isAllowedPrivateMutation,
1055:	$scope->getClassReflection(),
1056:	),
1057:	$scope,
1058:	);
1059:	}
1060:
1061:	if (count($stmt->hooks) > 0) {
1062:	if (!isset($propertyName)) {
1063:	throw new ShouldNotHappenException('Property name should be known when analysing hooks.');
1064:	}
1065:	$this->processPropertyHooks(
1066:	$stmt,
1067:	$stmt->type,
1068:	$phpDocType,
1069:	$propertyName,
1070:	$stmt->hooks,
1071:	$scope,
1072:	$nodeCallback,
1073:	);
1074:	}
1075:
1076:	if ($stmt->type !== null) {
1077:	$nodeCallback($stmt->type, $scope);
1078:	}
1079:	} elseif ($stmt instanceof If_) {
1080:	$conditionType = ($this->treatPhpDocTypesAsCertain ? $scope->getType($stmt->cond) : $scope->getNativeType($stmt->cond))->toBoolean();
1081:	$ifAlwaysTrue = $conditionType->isTrue()->yes();
1082:	$condResult = $this->processExprNode($stmt, $stmt->cond, $scope, $nodeCallback, ExpressionContext::createDeep());
1083:	$exitPoints = [];
1084:	$throwPoints = $overridingThrowPoints ?? $condResult->getThrowPoints();
1085:	$impurePoints = $condResult->getImpurePoints();
1086:	$endStatements = [];
1087:	$finalScope = null;
1088:	$alwaysTerminating = true;
1089:	$hasYield = $condResult->hasYield();
1090:
1091:	$branchScopeStatementResult = $this->processStmtNodes($stmt, $stmt->stmts, $condResult->getTruthyScope(), $nodeCallback, $context);
1092:
1093:	if (!$conditionType->isTrue()->no()) {
1094:	$exitPoints = $branchScopeStatementResult->getExitPoints();
1095:	$throwPoints = array_merge($throwPoints, $branchScopeStatementResult->getThrowPoints());
1096:	$impurePoints = array_merge($impurePoints, $branchScopeStatementResult->getImpurePoints());
1097:	$branchScope = $branchScopeStatementResult->getScope();
1098:	$finalScope = $branchScopeStatementResult->isAlwaysTerminating() ? null : $branchScope;
1099:	$alwaysTerminating = $branchScopeStatementResult->isAlwaysTerminating();
1100:	if (count($branchScopeStatementResult->getEndStatements()) > 0) {
1101:	$endStatements = array_merge($endStatements, $branchScopeStatementResult->getEndStatements());
1102:	} elseif (count($stmt->stmts) > 0) {
1103:	$endStatements[] = new EndStatementResult($stmt->stmts[count($stmt->stmts) - 1], $branchScopeStatementResult);
1104:	} else {
1105:	$endStatements[] = new EndStatementResult($stmt, $branchScopeStatementResult);
1106:	}
1107:	$hasYield = $branchScopeStatementResult->hasYield() \|\| $hasYield;
1108:	}
1109:
1110:	$scope = $condResult->getFalseyScope();
1111:	$lastElseIfConditionIsTrue = false;
1112:
1113:	$condScope = $scope;
1114:	foreach ($stmt->elseifs as $elseif) {
1115:	$nodeCallback($elseif, $scope);
1116:	$elseIfConditionType = ($this->treatPhpDocTypesAsCertain ? $condScope->getType($elseif->cond) : $scope->getNativeType($elseif->cond))->toBoolean();
1117:	$condResult = $this->processExprNode($stmt, $elseif->cond, $condScope, $nodeCallback, ExpressionContext::createDeep());
1118:	$throwPoints = array_merge($throwPoints, $condResult->getThrowPoints());
1119:	$impurePoints = array_merge($impurePoints, $condResult->getImpurePoints());
1120:	$condScope = $condResult->getScope();
1121:	$branchScopeStatementResult = $this->processStmtNodes($elseif, $elseif->stmts, $condResult->getTruthyScope(), $nodeCallback, $context);
1122:
1123:	if (
1124:	!$ifAlwaysTrue
1125:	&& !$lastElseIfConditionIsTrue
1126:	&& !$elseIfConditionType->isTrue()->no()
1127:	) {
1128:	$exitPoints = array_merge($exitPoints, $branchScopeStatementResult->getExitPoints());
1129:	$throwPoints = array_merge($throwPoints, $branchScopeStatementResult->getThrowPoints());
1130:	$impurePoints = array_merge($impurePoints, $branchScopeStatementResult->getImpurePoints());
1131:	$branchScope = $branchScopeStatementResult->getScope();
1132:	$finalScope = $branchScopeStatementResult->isAlwaysTerminating() ? $finalScope : $branchScope->mergeWith($finalScope);
1133:	$alwaysTerminating = $alwaysTerminating && $branchScopeStatementResult->isAlwaysTerminating();
1134:	if (count($branchScopeStatementResult->getEndStatements()) > 0) {
1135:	$endStatements = array_merge($endStatements, $branchScopeStatementResult->getEndStatements());
1136:	} elseif (count($elseif->stmts) > 0) {
1137:	$endStatements[] = new EndStatementResult($elseif->stmts[count($elseif->stmts) - 1], $branchScopeStatementResult);
1138:	} else {
1139:	$endStatements[] = new EndStatementResult($elseif, $branchScopeStatementResult);
1140:	}
1141:	$hasYield = $hasYield \|\| $branchScopeStatementResult->hasYield();
1142:	}
1143:
1144:	if (
1145:	$elseIfConditionType->isTrue()->yes()
1146:	) {
1147:	$lastElseIfConditionIsTrue = true;
1148:	}
1149:
1150:	$condScope = $condScope->filterByFalseyValue($elseif->cond);
1151:	$scope = $condScope;
1152:	}
1153:
1154:	if ($stmt->else === null) {
1155:	if (!$ifAlwaysTrue && !$lastElseIfConditionIsTrue) {
1156:	$finalScope = $scope->mergeWith($finalScope);
1157:	$alwaysTerminating = false;
1158:	}
1159:	} else {
1160:	$nodeCallback($stmt->else, $scope);
1161:	$branchScopeStatementResult = $this->processStmtNodes($stmt->else, $stmt->else->stmts, $scope, $nodeCallback, $context);
1162:
1163:	if (!$ifAlwaysTrue && !$lastElseIfConditionIsTrue) {
1164:	$exitPoints = array_merge($exitPoints, $branchScopeStatementResult->getExitPoints());
1165:	$throwPoints = array_merge($throwPoints, $branchScopeStatementResult->getThrowPoints());
1166:	$impurePoints = array_merge($impurePoints, $branchScopeStatementResult->getImpurePoints());
1167:	$branchScope = $branchScopeStatementResult->getScope();
1168:	$finalScope = $branchScopeStatementResult->isAlwaysTerminating() ? $finalScope : $branchScope->mergeWith($finalScope);
1169:	$alwaysTerminating = $alwaysTerminating && $branchScopeStatementResult->isAlwaysTerminating();
1170:	if (count($branchScopeStatementResult->getEndStatements()) > 0) {
1171:	$endStatements = array_merge($endStatements, $branchScopeStatementResult->getEndStatements());
1172:	} elseif (count($stmt->else->stmts) > 0) {
1173:	$endStatements[] = new EndStatementResult($stmt->else->stmts[count($stmt->else->stmts) - 1], $branchScopeStatementResult);
1174:	} else {
1175:	$endStatements[] = new EndStatementResult($stmt->else, $branchScopeStatementResult);
1176:	}
1177:	$hasYield = $hasYield \|\| $branchScopeStatementResult->hasYield();
1178:	}
1179:	}
1180:
1181:	if ($finalScope === null) {
1182:	$finalScope = $scope;
1183:	}
1184:
1185:	if ($stmt->else === null && !$ifAlwaysTrue && !$lastElseIfConditionIsTrue) {
1186:	$endStatements[] = new EndStatementResult($stmt, new StatementResult($finalScope, $hasYield, $alwaysTerminating, $exitPoints, $throwPoints, $impurePoints));
1187:	}
1188:
1189:	return new StatementResult($finalScope, $hasYield, $alwaysTerminating, $exitPoints, $throwPoints, $impurePoints, $endStatements);
1190:	} elseif ($stmt instanceof Node\Stmt\TraitUse) {
1191:	$hasYield = false;
1192:	$throwPoints = [];
1193:	$impurePoints = [];
1194:	$this->processTraitUse($stmt, $scope, $nodeCallback);
1195:	} elseif ($stmt instanceof Foreach_) {
1196:	$condResult = $this->processExprNode($stmt, $stmt->expr, $scope, $nodeCallback, ExpressionContext::createDeep());
1197:	$throwPoints = $overridingThrowPoints ?? $condResult->getThrowPoints();
1198:	$impurePoints = $condResult->getImpurePoints();
1199:	$scope = $condResult->getScope();
1200:	$arrayComparisonExpr = new BinaryOp\NotIdentical(
1201:	$stmt->expr,
1202:	new Array_([]),
1203:	);
1204:	if ($stmt->expr instanceof Variable && is_string($stmt->expr->name)) {
1205:	$scope = $this->processVarAnnotation($scope, [$stmt->expr->name], $stmt);
1206:	}
1207:	$nodeCallback(new InForeachNode($stmt), $scope);
1208:	$originalScope = $scope;
1209:	$bodyScope = $scope;
1210:
1211:	if ($context->isTopLevel()) {
1212:	$originalScope = $this->polluteScopeWithAlwaysIterableForeach ? $scope->filterByTruthyValue($arrayComparisonExpr) : $scope;
1213:	$bodyScope = $this->enterForeach($originalScope, $originalScope, $stmt);
1214:	$count = 0;
1215:	do {
1216:	$prevScope = $bodyScope;
1217:	$bodyScope = $bodyScope->mergeWith($this->polluteScopeWithAlwaysIterableForeach ? $scope->filterByTruthyValue($arrayComparisonExpr) : $scope);
1218:	$bodyScope = $this->enterForeach($bodyScope, $originalScope, $stmt);
1219:	$bodyScopeResult = $this->processStmtNodes($stmt, $stmt->stmts, $bodyScope, static function (): void {
1220:	}, $context->enterDeep())->filterOutLoopExitPoints();
1221:	$bodyScope = $bodyScopeResult->getScope();
1222:	foreach ($bodyScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1223:	$bodyScope = $bodyScope->mergeWith($continueExitPoint->getScope());
1224:	}
1225:	if ($bodyScope->equals($prevScope)) {
1226:	break;
1227:	}
1228:
1229:	if ($count >= self::GENERALIZE_AFTER_ITERATION) {
1230:	$bodyScope = $prevScope->generalizeWith($bodyScope);
1231:	}
1232:	$count++;
1233:	} while ($count < self::LOOP_SCOPE_ITERATIONS);
1234:	}
1235:
1236:	$bodyScope = $bodyScope->mergeWith($this->polluteScopeWithAlwaysIterableForeach ? $scope->filterByTruthyValue($arrayComparisonExpr) : $scope);
1237:	$bodyScope = $this->enterForeach($bodyScope, $originalScope, $stmt);
1238:	$finalScopeResult = $this->processStmtNodes($stmt, $stmt->stmts, $bodyScope, $nodeCallback, $context)->filterOutLoopExitPoints();
1239:	$finalScope = $finalScopeResult->getScope();
1240:	foreach ($finalScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1241:	$finalScope = $continueExitPoint->getScope()->mergeWith($finalScope);
1242:	}
1243:	foreach ($finalScopeResult->getExitPointsByType(Break_::class) as $breakExitPoint) {
1244:	$finalScope = $breakExitPoint->getScope()->mergeWith($finalScope);
1245:	}
1246:
1247:	$exprType = $scope->getType($stmt->expr);
1248:	$isIterableAtLeastOnce = $exprType->isIterableAtLeastOnce();
1249:	if ($exprType->isIterable()->no() \|\| $isIterableAtLeastOnce->maybe()) {
1250:	$finalScope = $finalScope->mergeWith($scope->filterByTruthyValue(new BooleanOr(
1251:	new BinaryOp\Identical(
1252:	$stmt->expr,
1253:	new Array_([]),
1254:	),
1255:	new FuncCall(new Name\FullyQualified('is_object'), [
1256:	new Arg($stmt->expr),
1257:	]),
1258:	)));
1259:	} elseif ($isIterableAtLeastOnce->no() \|\| $finalScopeResult->isAlwaysTerminating()) {
1260:	$finalScope = $scope;
1261:	} elseif (!$this->polluteScopeWithAlwaysIterableForeach) {
1262:	$finalScope = $scope->processAlwaysIterableForeachScopeWithoutPollute($finalScope);
1263:	// get types from finalScope, but don't create new variables
1264:	}
1265:
1266:	if (!$isIterableAtLeastOnce->no()) {
1267:	$throwPoints = array_merge($throwPoints, $finalScopeResult->getThrowPoints());
1268:	$impurePoints = array_merge($impurePoints, $finalScopeResult->getImpurePoints());
1269:	}
1270:	if (!(new ObjectType(Traversable::class))->isSuperTypeOf($scope->getType($stmt->expr))->no()) {
1271:	$throwPoints[] = ThrowPoint::createImplicit($scope, $stmt->expr);
1272:	}
1273:
1274:	return new StatementResult(
1275:	$finalScope,
1276:	$finalScopeResult->hasYield() \|\| $condResult->hasYield(),
1277:	$isIterableAtLeastOnce->yes() && $finalScopeResult->isAlwaysTerminating(),
1278:	$finalScopeResult->getExitPointsForOuterLoop(),
1279:	$throwPoints,
1280:	$impurePoints,
1281:	);
1282:	} elseif ($stmt instanceof While_) {
1283:	$condResult = $this->processExprNode($stmt, $stmt->cond, $scope, static function (): void {
1284:	}, ExpressionContext::createDeep());
1285:	$beforeCondBooleanType = ($this->treatPhpDocTypesAsCertain ? $scope->getType($stmt->cond) : $scope->getNativeType($stmt->cond))->toBoolean();
1286:	$condScope = $condResult->getFalseyScope();
1287:	if (!$context->isTopLevel() && $beforeCondBooleanType->isFalse()->yes()) {
1288:	if (!$this->polluteScopeWithLoopInitialAssignments) {
1289:	$scope = $condScope->mergeWith($scope);
1290:	}
1291:
1292:	return new StatementResult(
1293:	$scope,
1294:	$condResult->hasYield(),
1295:	false,
1296:	[],
1297:	$condResult->getThrowPoints(),
1298:	$condResult->getImpurePoints(),
1299:	);
1300:	}
1301:	$bodyScope = $condResult->getTruthyScope();
1302:
1303:	if ($context->isTopLevel()) {
1304:	$count = 0;
1305:	do {
1306:	$prevScope = $bodyScope;
1307:	$bodyScope = $bodyScope->mergeWith($scope);
1308:	$bodyScope = $this->processExprNode($stmt, $stmt->cond, $bodyScope, static function (): void {
1309:	}, ExpressionContext::createDeep())->getTruthyScope();
1310:	$bodyScopeResult = $this->processStmtNodes($stmt, $stmt->stmts, $bodyScope, static function (): void {
1311:	}, $context->enterDeep())->filterOutLoopExitPoints();
1312:	$bodyScope = $bodyScopeResult->getScope();
1313:	foreach ($bodyScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1314:	$bodyScope = $bodyScope->mergeWith($continueExitPoint->getScope());
1315:	}
1316:	if ($bodyScope->equals($prevScope)) {
1317:	break;
1318:	}
1319:
1320:	if ($count >= self::GENERALIZE_AFTER_ITERATION) {
1321:	$bodyScope = $prevScope->generalizeWith($bodyScope);
1322:	}
1323:	$count++;
1324:	} while ($count < self::LOOP_SCOPE_ITERATIONS);
1325:	}
1326:
1327:	$bodyScope = $bodyScope->mergeWith($scope);
1328:	$bodyScopeMaybeRan = $bodyScope;
1329:	$bodyScope = $this->processExprNode($stmt, $stmt->cond, $bodyScope, $nodeCallback, ExpressionContext::createDeep())->getTruthyScope();
1330:	$finalScopeResult = $this->processStmtNodes($stmt, $stmt->stmts, $bodyScope, $nodeCallback, $context)->filterOutLoopExitPoints();
1331:	$finalScope = $finalScopeResult->getScope()->filterByFalseyValue($stmt->cond);
1332:
1333:	$condBooleanType = ($this->treatPhpDocTypesAsCertain ? $bodyScopeMaybeRan->getType($stmt->cond) : $bodyScopeMaybeRan->getNativeType($stmt->cond))->toBoolean();
1334:	$alwaysIterates = $condBooleanType->isTrue()->yes() && $context->isTopLevel();
1335:	$neverIterates = $condBooleanType->isFalse()->yes() && $context->isTopLevel();
1336:	if (!$alwaysIterates) {
1337:	foreach ($finalScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1338:	$finalScope = $finalScope->mergeWith($continueExitPoint->getScope());
1339:	}
1340:	}
1341:
1342:	$breakExitPoints = $finalScopeResult->getExitPointsByType(Break_::class);
1343:	foreach ($breakExitPoints as $breakExitPoint) {
1344:	$finalScope = $finalScope->mergeWith($breakExitPoint->getScope());
1345:	}
1346:
1347:	$isIterableAtLeastOnce = $beforeCondBooleanType->isTrue()->yes();
1348:	$nodeCallback(new BreaklessWhileLoopNode($stmt, $finalScopeResult->getExitPoints()), $bodyScopeMaybeRan);
1349:
1350:	if ($alwaysIterates) {
1351:	$isAlwaysTerminating = count($finalScopeResult->getExitPointsByType(Break_::class)) === 0;
1352:	} elseif ($isIterableAtLeastOnce) {
1353:	$isAlwaysTerminating = $finalScopeResult->isAlwaysTerminating();
1354:	} else {
1355:	$isAlwaysTerminating = false;
1356:	}
1357:	if (!$isIterableAtLeastOnce) {
1358:	if (!$this->polluteScopeWithLoopInitialAssignments) {
1359:	$condScope = $condScope->mergeWith($scope);
1360:	}
1361:	$finalScope = $finalScope->mergeWith($condScope);
1362:	}
1363:
1364:	$throwPoints = $overridingThrowPoints ?? $condResult->getThrowPoints();
1365:	$impurePoints = $condResult->getImpurePoints();
1366:	if (!$neverIterates) {
1367:	$throwPoints = array_merge($throwPoints, $finalScopeResult->getThrowPoints());
1368:	$impurePoints = array_merge($impurePoints, $finalScopeResult->getImpurePoints());
1369:	}
1370:
1371:	return new StatementResult(
1372:	$finalScope,
1373:	$finalScopeResult->hasYield() \|\| $condResult->hasYield(),
1374:	$isAlwaysTerminating,
1375:	$finalScopeResult->getExitPointsForOuterLoop(),
1376:	$throwPoints,
1377:	$impurePoints,
1378:	);
1379:	} elseif ($stmt instanceof Do_) {
1380:	$finalScope = null;
1381:	$bodyScope = $scope;
1382:	$count = 0;
1383:	$hasYield = false;
1384:	$throwPoints = [];
1385:	$impurePoints = [];
1386:
1387:	if ($context->isTopLevel()) {
1388:	do {
1389:	$prevScope = $bodyScope;
1390:	$bodyScope = $bodyScope->mergeWith($scope);
1391:	$bodyScopeResult = $this->processStmtNodes($stmt, $stmt->stmts, $bodyScope, static function (): void {
1392:	}, $context->enterDeep())->filterOutLoopExitPoints();
1393:	$alwaysTerminating = $bodyScopeResult->isAlwaysTerminating();
1394:	$bodyScope = $bodyScopeResult->getScope();
1395:	foreach ($bodyScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1396:	$bodyScope = $bodyScope->mergeWith($continueExitPoint->getScope());
1397:	}
1398:	$finalScope = $alwaysTerminating ? $finalScope : $bodyScope->mergeWith($finalScope);
1399:	foreach ($bodyScopeResult->getExitPointsByType(Break_::class) as $breakExitPoint) {
1400:	$finalScope = $breakExitPoint->getScope()->mergeWith($finalScope);
1401:	}
1402:	$bodyScope = $this->processExprNode($stmt, $stmt->cond, $bodyScope, static function (): void {
1403:	}, ExpressionContext::createDeep())->getTruthyScope();
1404:	if ($bodyScope->equals($prevScope)) {
1405:	break;
1406:	}
1407:
1408:	if ($count >= self::GENERALIZE_AFTER_ITERATION) {
1409:	$bodyScope = $prevScope->generalizeWith($bodyScope);
1410:	}
1411:	$count++;
1412:	} while ($count < self::LOOP_SCOPE_ITERATIONS);
1413:
1414:	$bodyScope = $bodyScope->mergeWith($scope);
1415:	}
1416:
1417:	$bodyScopeResult = $this->processStmtNodes($stmt, $stmt->stmts, $bodyScope, $nodeCallback, $context)->filterOutLoopExitPoints();
1418:	$bodyScope = $bodyScopeResult->getScope();
1419:	foreach ($bodyScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1420:	$bodyScope = $bodyScope->mergeWith($continueExitPoint->getScope());
1421:	}
1422:	$condBooleanType = ($this->treatPhpDocTypesAsCertain ? $bodyScope->getType($stmt->cond) : $bodyScope->getNativeType($stmt->cond))->toBoolean();
1423:	$alwaysIterates = $condBooleanType->isTrue()->yes() && $context->isTopLevel();
1424:
1425:	$nodeCallback(new DoWhileLoopConditionNode($stmt->cond, $bodyScopeResult->getExitPoints()), $bodyScope);
1426:
1427:	if ($alwaysIterates) {
1428:	$alwaysTerminating = count($bodyScopeResult->getExitPointsByType(Break_::class)) === 0;
1429:	} else {
1430:	$alwaysTerminating = $bodyScopeResult->isAlwaysTerminating();
1431:	}
1432:	$finalScope = $alwaysTerminating ? $finalScope : $bodyScope->mergeWith($finalScope);
1433:	if ($finalScope === null) {
1434:	$finalScope = $scope;
1435:	}
1436:	if (!$alwaysTerminating) {
1437:	$condResult = $this->processExprNode($stmt, $stmt->cond, $bodyScope, $nodeCallback, ExpressionContext::createDeep());
1438:	$hasYield = $condResult->hasYield();
1439:	$throwPoints = $condResult->getThrowPoints();
1440:	$impurePoints = $condResult->getImpurePoints();
1441:	$finalScope = $condResult->getFalseyScope();
1442:	} else {
1443:	$this->processExprNode($stmt, $stmt->cond, $bodyScope, $nodeCallback, ExpressionContext::createDeep());
1444:	}
1445:	foreach ($bodyScopeResult->getExitPointsByType(Break_::class) as $breakExitPoint) {
1446:	$finalScope = $breakExitPoint->getScope()->mergeWith($finalScope);
1447:	}
1448:
1449:	return new StatementResult(
1450:	$finalScope,
1451:	$bodyScopeResult->hasYield() \|\| $hasYield,
1452:	$alwaysTerminating,
1453:	$bodyScopeResult->getExitPointsForOuterLoop(),
1454:	array_merge($throwPoints, $bodyScopeResult->getThrowPoints()),
1455:	array_merge($impurePoints, $bodyScopeResult->getImpurePoints()),
1456:	);
1457:	} elseif ($stmt instanceof For_) {
1458:	$initScope = $scope;
1459:	$hasYield = false;
1460:	$throwPoints = [];
1461:	$impurePoints = [];
1462:	foreach ($stmt->init as $initExpr) {
1463:	$initResult = $this->processExprNode($stmt, $initExpr, $initScope, $nodeCallback, ExpressionContext::createTopLevel());
1464:	$initScope = $initResult->getScope();
1465:	$hasYield = $hasYield \|\| $initResult->hasYield();
1466:	$throwPoints = array_merge($throwPoints, $initResult->getThrowPoints());
1467:	$impurePoints = array_merge($impurePoints, $initResult->getImpurePoints());
1468:	}
1469:
1470:	$bodyScope = $initScope;
1471:	$isIterableAtLeastOnce = TrinaryLogic::createYes();
1472:	$lastCondExpr = $stmt->cond[count($stmt->cond) - 1] ?? null;
1473:	foreach ($stmt->cond as $condExpr) {
1474:	$condResult = $this->processExprNode($stmt, $condExpr, $bodyScope, static function (): void {
1475:	}, ExpressionContext::createDeep());
1476:	$initScope = $condResult->getScope();
1477:	$condResultScope = $condResult->getScope();
1478:
1479:	if ($condExpr === $lastCondExpr) {
1480:	$condTruthiness = ($this->treatPhpDocTypesAsCertain ? $condResultScope->getType($condExpr) : $condResultScope->getNativeType($condExpr))->toBoolean();
1481:	$isIterableAtLeastOnce = $isIterableAtLeastOnce->and($condTruthiness->isTrue());
1482:	}
1483:
1484:	$hasYield = $hasYield \|\| $condResult->hasYield();
1485:	$throwPoints = array_merge($throwPoints, $condResult->getThrowPoints());
1486:	$impurePoints = array_merge($impurePoints, $condResult->getImpurePoints());
1487:	$bodyScope = $condResult->getTruthyScope();
1488:	}
1489:
1490:	if ($context->isTopLevel()) {
1491:	$count = 0;
1492:	do {
1493:	$prevScope = $bodyScope;
1494:	$bodyScope = $bodyScope->mergeWith($initScope);
1495:	if ($lastCondExpr !== null) {
1496:	$bodyScope = $this->processExprNode($stmt, $lastCondExpr, $bodyScope, static function (): void {
1497:	}, ExpressionContext::createDeep())->getTruthyScope();
1498:	}
1499:	$bodyScopeResult = $this->processStmtNodes($stmt, $stmt->stmts, $bodyScope, static function (): void {
1500:	}, $context->enterDeep())->filterOutLoopExitPoints();
1501:	$bodyScope = $bodyScopeResult->getScope();
1502:	foreach ($bodyScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1503:	$bodyScope = $bodyScope->mergeWith($continueExitPoint->getScope());
1504:	}
1505:	foreach ($stmt->loop as $loopExpr) {
1506:	$exprResult = $this->processExprNode($stmt, $loopExpr, $bodyScope, static function (): void {
1507:	}, ExpressionContext::createTopLevel());
1508:	$bodyScope = $exprResult->getScope();
1509:	$hasYield = $hasYield \|\| $exprResult->hasYield();
1510:	$throwPoints = array_merge($throwPoints, $exprResult->getThrowPoints());
1511:	$impurePoints = array_merge($impurePoints, $exprResult->getImpurePoints());
1512:	}
1513:
1514:	if ($bodyScope->equals($prevScope)) {
1515:	break;
1516:	}
1517:
1518:	if ($count >= self::GENERALIZE_AFTER_ITERATION) {
1519:	$bodyScope = $prevScope->generalizeWith($bodyScope);
1520:	}
1521:	$count++;
1522:	} while ($count < self::LOOP_SCOPE_ITERATIONS);
1523:	}
1524:
1525:	$bodyScope = $bodyScope->mergeWith($initScope);
1526:
1527:	$alwaysIterates = TrinaryLogic::createFromBoolean($context->isTopLevel());
1528:	if ($lastCondExpr !== null) {
1529:	$alwaysIterates = $alwaysIterates->and($bodyScope->getType($lastCondExpr)->toBoolean()->isTrue());
1530:	$bodyScope = $this->processExprNode($stmt, $lastCondExpr, $bodyScope, $nodeCallback, ExpressionContext::createDeep())->getTruthyScope();
1531:	}
1532:
1533:	$finalScopeResult = $this->processStmtNodes($stmt, $stmt->stmts, $bodyScope, $nodeCallback, $context)->filterOutLoopExitPoints();
1534:	$finalScope = $finalScopeResult->getScope();
1535:	foreach ($finalScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1536:	$finalScope = $continueExitPoint->getScope()->mergeWith($finalScope);
1537:	}
1538:
1539:	$loopScope = $finalScope;
1540:	foreach ($stmt->loop as $loopExpr) {
1541:	$loopScope = $this->processExprNode($stmt, $loopExpr, $loopScope, $nodeCallback, ExpressionContext::createTopLevel())->getScope();
1542:	}
1543:	$finalScope = $finalScope->generalizeWith($loopScope);
1544:
1545:	if ($lastCondExpr !== null) {
1546:	$finalScope = $finalScope->filterByFalseyValue($lastCondExpr);
1547:	}
1548:
1549:	foreach ($finalScopeResult->getExitPointsByType(Break_::class) as $breakExitPoint) {
1550:	$finalScope = $breakExitPoint->getScope()->mergeWith($finalScope);
1551:	}
1552:
1553:	if ($isIterableAtLeastOnce->no() \|\| $finalScopeResult->isAlwaysTerminating()) {
1554:	if ($this->polluteScopeWithLoopInitialAssignments) {
1555:	$finalScope = $initScope;
1556:	} else {
1557:	$finalScope = $scope;
1558:	}
1559:
1560:	} elseif ($isIterableAtLeastOnce->maybe()) {
1561:	if ($this->polluteScopeWithLoopInitialAssignments) {
1562:	$finalScope = $finalScope->mergeWith($initScope);
1563:	} else {
1564:	$finalScope = $finalScope->mergeWith($scope);
1565:	}
1566:	} else {
1567:	if (!$this->polluteScopeWithLoopInitialAssignments) {
1568:	$finalScope = $finalScope->mergeWith($scope);
1569:	}
1570:	}
1571:
1572:	if ($alwaysIterates->yes()) {
1573:	$isAlwaysTerminating = count($finalScopeResult->getExitPointsByType(Break_::class)) === 0;
1574:	} elseif ($isIterableAtLeastOnce->yes()) {
1575:	$isAlwaysTerminating = $finalScopeResult->isAlwaysTerminating();
1576:	} else {
1577:	$isAlwaysTerminating = false;
1578:	}
1579:
1580:	return new StatementResult(
1581:	$finalScope,
1582:	$finalScopeResult->hasYield() \|\| $hasYield,
1583:	$isAlwaysTerminating,
1584:	$finalScopeResult->getExitPointsForOuterLoop(),
1585:	array_merge($throwPoints, $finalScopeResult->getThrowPoints()),
1586:	array_merge($impurePoints, $finalScopeResult->getImpurePoints()),
1587:	);
1588:	} elseif ($stmt instanceof Switch_) {
1589:	$condResult = $this->processExprNode($stmt, $stmt->cond, $scope, $nodeCallback, ExpressionContext::createDeep());
1590:	$scope = $condResult->getScope();
1591:	$scopeForBranches = $scope;
1592:	$finalScope = null;
1593:	$prevScope = null;
1594:	$hasDefaultCase = false;
1595:	$alwaysTerminating = true;
1596:	$hasYield = $condResult->hasYield();
1597:	$exitPointsForOuterLoop = [];
1598:	$throwPoints = $condResult->getThrowPoints();
1599:	$impurePoints = $condResult->getImpurePoints();
1600:	$fullCondExpr = null;
1601:	foreach ($stmt->cases as $caseNode) {
1602:	if ($caseNode->cond !== null) {
1603:	$condExpr = new BinaryOp\Equal($stmt->cond, $caseNode->cond);
1604:	$fullCondExpr = $fullCondExpr === null ? $condExpr : new BooleanOr($fullCondExpr, $condExpr);
1605:	$caseResult = $this->processExprNode($stmt, $caseNode->cond, $scopeForBranches, $nodeCallback, ExpressionContext::createDeep());
1606:	$scopeForBranches = $caseResult->getScope();
1607:	$hasYield = $hasYield \|\| $caseResult->hasYield();
1608:	$throwPoints = array_merge($throwPoints, $caseResult->getThrowPoints());
1609:	$impurePoints = array_merge($impurePoints, $caseResult->getImpurePoints());
1610:	$branchScope = $caseResult->getTruthyScope()->filterByTruthyValue($condExpr);
1611:	} else {
1612:	$hasDefaultCase = true;
1613:	$fullCondExpr = null;
1614:	$branchScope = $scopeForBranches;
1615:	}
1616:
1617:	$branchScope = $branchScope->mergeWith($prevScope);
1618:	$branchScopeResult = $this->processStmtNodes($caseNode, $caseNode->stmts, $branchScope, $nodeCallback, $context);
1619:	$branchScope = $branchScopeResult->getScope();
1620:	$branchFinalScopeResult = $branchScopeResult->filterOutLoopExitPoints();
1621:	$hasYield = $hasYield \|\| $branchFinalScopeResult->hasYield();
1622:	foreach ($branchScopeResult->getExitPointsByType(Break_::class) as $breakExitPoint) {
1623:	$alwaysTerminating = false;
1624:	$finalScope = $breakExitPoint->getScope()->mergeWith($finalScope);
1625:	}
1626:	foreach ($branchScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1627:	$finalScope = $continueExitPoint->getScope()->mergeWith($finalScope);
1628:	}
1629:	$exitPointsForOuterLoop = array_merge($exitPointsForOuterLoop, $branchFinalScopeResult->getExitPointsForOuterLoop());
1630:	$throwPoints = array_merge($throwPoints, $branchFinalScopeResult->getThrowPoints());
1631:	$impurePoints = array_merge($impurePoints, $branchFinalScopeResult->getImpurePoints());
1632:	if ($branchScopeResult->isAlwaysTerminating()) {
1633:	$alwaysTerminating = $alwaysTerminating && $branchFinalScopeResult->isAlwaysTerminating();
1634:	$prevScope = null;
1635:	if (isset($fullCondExpr)) {
1636:	$scopeForBranches = $scopeForBranches->filterByFalseyValue($fullCondExpr);
1637:	$fullCondExpr = null;
1638:	}
1639:	if (!$branchFinalScopeResult->isAlwaysTerminating()) {
1640:	$finalScope = $branchScope->mergeWith($finalScope);
1641:	}
1642:	} else {
1643:	$prevScope = $branchScope;
1644:	}
1645:	}
1646:
1647:	$exhaustive = $scopeForBranches->getType($stmt->cond) instanceof NeverType;
1648:
1649:	if (!$hasDefaultCase && !$exhaustive) {
1650:	$alwaysTerminating = false;
1651:	}
1652:
1653:	if ($prevScope !== null && isset($branchFinalScopeResult)) {
1654:	$finalScope = $prevScope->mergeWith($finalScope);
1655:	$alwaysTerminating = $alwaysTerminating && $branchFinalScopeResult->isAlwaysTerminating();
1656:	}
1657:
1658:	if ((!$hasDefaultCase && !$exhaustive) \|\| $finalScope === null) {
1659:	$finalScope = $scope->mergeWith($finalScope);
1660:	}
1661:
1662:	return new StatementResult($finalScope, $hasYield, $alwaysTerminating, $exitPointsForOuterLoop, $throwPoints, $impurePoints);
1663:	} elseif ($stmt instanceof TryCatch) {
1664:	$branchScopeResult = $this->processStmtNodes($stmt, $stmt->stmts, $scope, $nodeCallback, $context);
1665:	$branchScope = $branchScopeResult->getScope();
1666:	$finalScope = $branchScopeResult->isAlwaysTerminating() ? null : $branchScope;
1667:
1668:	$exitPoints = [];
1669:	$finallyExitPoints = [];
1670:	$alwaysTerminating = $branchScopeResult->isAlwaysTerminating();
1671:	$hasYield = $branchScopeResult->hasYield();
1672:
1673:	if ($stmt->finally !== null) {
1674:	$finallyScope = $branchScope;
1675:	} else {
1676:	$finallyScope = null;
1677:	}
1678:	foreach ($branchScopeResult->getExitPoints() as $exitPoint) {
1679:	$finallyExitPoints[] = $exitPoint;
1680:	if ($exitPoint->getStatement() instanceof Node\Stmt\Expression && $exitPoint->getStatement()->expr instanceof Expr\Throw_) {
1681:	continue;
1682:	}
1683:	if ($finallyScope !== null) {
1684:	$finallyScope = $finallyScope->mergeWith($exitPoint->getScope());
1685:	}
1686:	$exitPoints[] = $exitPoint;
1687:	}
1688:
1689:	$throwPoints = $branchScopeResult->getThrowPoints();
1690:	$impurePoints = $branchScopeResult->getImpurePoints();
1691:	$throwPointsForLater = [];
1692:	$pastCatchTypes = new NeverType();
1693:
1694:	foreach ($stmt->catches as $catchNode) {
1695:	$nodeCallback($catchNode, $scope);
1696:
1697:	$originalCatchTypes = array_map(static fn (Name $name): Type => new ObjectType($name->toString()), $catchNode->types);
1698:	$catchTypes = array_map(static fn (Type $type): Type => TypeCombinator::remove($type, $pastCatchTypes), $originalCatchTypes);
1699:
1700:	$originalCatchType = TypeCombinator::union(...$originalCatchTypes);
1701:	$catchType = TypeCombinator::union(...$catchTypes);
1702:	$pastCatchTypes = TypeCombinator::union($pastCatchTypes, $originalCatchType);
1703:
1704:	$matchingThrowPoints = [];
1705:	$matchingCatchTypes = array_fill_keys(array_keys($originalCatchTypes), false);
1706:
1707:	// throwable matches all
1708:	foreach ($originalCatchTypes as $catchTypeIndex => $catchTypeItem) {
1709:	if (!$catchTypeItem->isSuperTypeOf(new ObjectType(Throwable::class))->yes()) {
1710:	continue;
1711:	}
1712:
1713:	foreach ($throwPoints as $throwPointIndex => $throwPoint) {
1714:	$matchingThrowPoints[$throwPointIndex] = $throwPoint;
1715:	$matchingCatchTypes[$catchTypeIndex] = true;
1716:	}
1717:	}
1718:
1719:	// explicit only
1720:	$onlyExplicitIsThrow = true;
1721:	if (count($matchingThrowPoints) === 0) {
1722:	foreach ($throwPoints as $throwPointIndex => $throwPoint) {
1723:	foreach ($catchTypes as $catchTypeIndex => $catchTypeItem) {
1724:	if ($catchTypeItem->isSuperTypeOf($throwPoint->getType())->no()) {
1725:	continue;
1726:	}
1727:
1728:	$matchingCatchTypes[$catchTypeIndex] = true;
1729:	if (!$throwPoint->isExplicit()) {
1730:	continue;
1731:	}
1732:	$throwNode = $throwPoint->getNode();
1733:	if (
1734:	!$throwNode instanceof Expr\Throw_
1735:	&& !($throwNode instanceof Node\Stmt\Expression && $throwNode->expr instanceof Expr\Throw_)
1736:	) {
1737:	$onlyExplicitIsThrow = false;
1738:	}
1739:	$matchingThrowPoints[$throwPointIndex] = $throwPoint;
1740:	}
1741:	}
1742:	}
1743:
1744:	// implicit only
1745:	if (count($matchingThrowPoints) === 0 \|\| $onlyExplicitIsThrow) {
1746:	foreach ($throwPoints as $throwPointIndex => $throwPoint) {
1747:	if ($throwPoint->isExplicit()) {
1748:	continue;
1749:	}
1750:
1751:	foreach ($catchTypes as $catchTypeIndex => $catchTypeItem) {
1752:	if ($catchTypeItem->isSuperTypeOf($throwPoint->getType())->no()) {
1753:	continue;
1754:	}
1755:
1756:	$matchingThrowPoints[$throwPointIndex] = $throwPoint;
1757:	}
1758:	}
1759:	}
1760:
1761:	// include previously removed throw points
1762:	if (count($matchingThrowPoints) === 0) {
1763:	if ($originalCatchType->isSuperTypeOf(new ObjectType(Throwable::class))->yes()) {
1764:	foreach ($branchScopeResult->getThrowPoints() as $originalThrowPoint) {
1765:	if (!$originalThrowPoint->canContainAnyThrowable()) {
1766:	continue;
1767:	}
1768:
1769:	$matchingThrowPoints[] = $originalThrowPoint;
1770:	$matchingCatchTypes = array_fill_keys(array_keys($originalCatchTypes), true);
1771:	}
1772:	}
1773:	}
1774:
1775:	// emit error
1776:	foreach ($matchingCatchTypes as $catchTypeIndex => $matched) {
1777:	if ($matched) {
1778:	continue;
1779:	}
1780:	$nodeCallback(new CatchWithUnthrownExceptionNode($catchNode, $catchTypes[$catchTypeIndex], $originalCatchTypes[$catchTypeIndex]), $scope);
1781:	}
1782:
1783:	if (count($matchingThrowPoints) === 0) {
1784:	continue;
1785:	}
1786:
1787:	// recompute throw points
1788:	$newThrowPoints = [];
1789:	foreach ($throwPoints as $throwPoint) {
1790:	$newThrowPoint = $throwPoint->subtractCatchType($originalCatchType);
1791:
1792:	if ($newThrowPoint->getType() instanceof NeverType) {
1793:	continue;
1794:	}
1795:
1796:	$newThrowPoints[] = $newThrowPoint;
1797:	}
1798:	$throwPoints = $newThrowPoints;
1799:
1800:	$catchScope = null;
1801:	foreach ($matchingThrowPoints as $matchingThrowPoint) {
1802:	if ($catchScope === null) {
1803:	$catchScope = $matchingThrowPoint->getScope();
1804:	} else {
1805:	$catchScope = $catchScope->mergeWith($matchingThrowPoint->getScope());
1806:	}
1807:	}
1808:
1809:	$variableName = null;
1810:	if ($catchNode->var !== null) {
1811:	if (!is_string($catchNode->var->name)) {
1812:	throw new ShouldNotHappenException();
1813:	}
1814:
1815:	$variableName = $catchNode->var->name;
1816:	}
1817:
1818:	$catchScopeResult = $this->processStmtNodes($catchNode, $catchNode->stmts, $catchScope->enterCatchType($catchType, $variableName), $nodeCallback, $context);
1819:	$catchScopeForFinally = $catchScopeResult->getScope();
1820:
1821:	$finalScope = $catchScopeResult->isAlwaysTerminating() ? $finalScope : $catchScopeResult->getScope()->mergeWith($finalScope);
1822:	$alwaysTerminating = $alwaysTerminating && $catchScopeResult->isAlwaysTerminating();
1823:	$hasYield = $hasYield \|\| $catchScopeResult->hasYield();
1824:	$catchThrowPoints = $catchScopeResult->getThrowPoints();
1825:	$impurePoints = array_merge($impurePoints, $catchScopeResult->getImpurePoints());
1826:	$throwPointsForLater = array_merge($throwPointsForLater, $catchThrowPoints);
1827:
1828:	if ($finallyScope !== null) {
1829:	$finallyScope = $finallyScope->mergeWith($catchScopeForFinally);
1830:	}
1831:	foreach ($catchScopeResult->getExitPoints() as $exitPoint) {
1832:	$finallyExitPoints[] = $exitPoint;
1833:	if ($exitPoint->getStatement() instanceof Node\Stmt\Expression && $exitPoint->getStatement()->expr instanceof Expr\Throw_) {
1834:	continue;
1835:	}
1836:	if ($finallyScope !== null) {
1837:	$finallyScope = $finallyScope->mergeWith($exitPoint->getScope());
1838:	}
1839:	$exitPoints[] = $exitPoint;
1840:	}
1841:
1842:	foreach ($catchThrowPoints as $catchThrowPoint) {
1843:	if ($finallyScope === null) {
1844:	continue;
1845:	}
1846:	$finallyScope = $finallyScope->mergeWith($catchThrowPoint->getScope());
1847:	}
1848:	}
1849:
1850:	if ($finalScope === null) {
1851:	$finalScope = $scope;
1852:	}
1853:
1854:	foreach ($throwPoints as $throwPoint) {
1855:	if ($finallyScope === null) {
1856:	continue;
1857:	}
1858:	$finallyScope = $finallyScope->mergeWith($throwPoint->getScope());
1859:	}
1860:
1861:	if ($finallyScope !== null) {
1862:	$originalFinallyScope = $finallyScope;
1863:	$finallyResult = $this->processStmtNodes($stmt->finally, $stmt->finally->stmts, $finallyScope, $nodeCallback, $context);
1864:	$alwaysTerminating = $alwaysTerminating \|\| $finallyResult->isAlwaysTerminating();
1865:	$hasYield = $hasYield \|\| $finallyResult->hasYield();
1866:	$throwPointsForLater = array_merge($throwPointsForLater, $finallyResult->getThrowPoints());
1867:	$impurePoints = array_merge($impurePoints, $finallyResult->getImpurePoints());
1868:	$finallyScope = $finallyResult->getScope();
1869:	$finalScope = $finallyResult->isAlwaysTerminating() ? $finalScope : $finalScope->processFinallyScope($finallyScope, $originalFinallyScope);
1870:	if (count($finallyResult->getExitPoints()) > 0) {
1871:	$nodeCallback(new FinallyExitPointsNode(
1872:	$finallyResult->getExitPoints(),
1873:	$finallyExitPoints,
1874:	), $scope);
1875:	}
1876:	$exitPoints = array_merge($exitPoints, $finallyResult->getExitPoints());
1877:	}
1878:
1879:	return new StatementResult($finalScope, $hasYield, $alwaysTerminating, $exitPoints, array_merge($throwPoints, $throwPointsForLater), $impurePoints);
1880:	} elseif ($stmt instanceof Unset_) {
1881:	$hasYield = false;
1882:	$throwPoints = [];
1883:	$impurePoints = [];
1884:	foreach ($stmt->vars as $var) {
1885:	$scope = $this->lookForSetAllowedUndefinedExpressions($scope, $var);
1886:	$exprResult = $this->processExprNode($stmt, $var, $scope, $nodeCallback, ExpressionContext::createDeep());
1887:	$scope = $exprResult->getScope();
1888:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $var);
1889:	$hasYield = $hasYield \|\| $exprResult->hasYield();
1890:	$throwPoints = array_merge($throwPoints, $exprResult->getThrowPoints());
1891:	$impurePoints = array_merge($impurePoints, $exprResult->getImpurePoints());
1892:	if ($var instanceof ArrayDimFetch && $var->dim !== null) {
1893:	$cloningTraverser = new NodeTraverser();
1894:	$cloningTraverser->addVisitor(new CloningVisitor());
1895:
1896:	/** @var Expr $clonedVar */
1897:	[$clonedVar] = $cloningTraverser->traverse([$var->var]);
1898:
1899:	$traverser = new NodeTraverser();
1900:	$traverser->addVisitor(new class () extends NodeVisitorAbstract {
1901:
1902:	#[Override]
1903:	public function leaveNode(Node $node): ?ExistingArrayDimFetch
1904:	{
1905:	if (!$node instanceof ArrayDimFetch \|\| $node->dim === null) {
1906:	return null;
1907:	}
1908:
1909:	return new ExistingArrayDimFetch($node->var, $node->dim);
1910:	}
1911:
1912:	});
1913:
1914:	/** @var Expr $clonedVar */
1915:	[$clonedVar] = $traverser->traverse([$clonedVar]);
1916:	$scope = $this->processAssignVar(
1917:	$scope,
1918:	$stmt,
1919:	$clonedVar,
1920:	new UnsetOffsetExpr($var->var, $var->dim),
1921:	static function (Node $node, Scope $scope) use ($nodeCallback): void {
1922:	if (!$node instanceof PropertyAssignNode && !$node instanceof VariableAssignNode) {
1923:	return;
1924:	}
1925:
1926:	$nodeCallback($node, $scope);
1927:	},
1928:	ExpressionContext::createDeep(),
1929:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
1930:	false,
1931:	)->getScope();
1932:	} elseif ($var instanceof PropertyFetch) {
1933:	$scope = $scope->invalidateExpression($var);
1934:	$impurePoints[] = new ImpurePoint(
1935:	$scope,
1936:	$var,
1937:	'propertyUnset',
1938:	'property unset',
1939:	true,
1940:	);
1941:	} else {
1942:	$scope = $scope->invalidateExpression($var);
1943:	}
1944:
1945:	}
1946:	} elseif ($stmt instanceof Node\Stmt\Use_) {
1947:	$hasYield = false;
1948:	$throwPoints = [];
1949:	$impurePoints = [];
1950:	foreach ($stmt->uses as $use) {
1951:	$nodeCallback($use, $scope);
1952:	}
1953:	} elseif ($stmt instanceof Node\Stmt\Global_) {
1954:	$hasYield = false;
1955:	$throwPoints = [];
1956:	$impurePoints = [
1957:	new ImpurePoint(
1958:	$scope,
1959:	$stmt,
1960:	'global',
1961:	'global variable',
1962:	true,
1963:	),
1964:	];
1965:	$vars = [];
1966:	foreach ($stmt->vars as $var) {
1967:	if (!$var instanceof Variable) {
1968:	throw new ShouldNotHappenException();
1969:	}
1970:	$scope = $this->lookForSetAllowedUndefinedExpressions($scope, $var);
1971:	$varResult = $this->processExprNode($stmt, $var, $scope, $nodeCallback, ExpressionContext::createDeep());
1972:	$impurePoints = array_merge($impurePoints, $varResult->getImpurePoints());
1973:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $var);
1974:
1975:	if (!is_string($var->name)) {
1976:	continue;
1977:	}
1978:
1979:	$scope = $scope->assignVariable($var->name, new MixedType(), new MixedType(), TrinaryLogic::createYes());
1980:	$vars[] = $var->name;
1981:	}
1982:	$scope = $this->processVarAnnotation($scope, $vars, $stmt);
1983:	} elseif ($stmt instanceof Static_) {
1984:	$hasYield = false;
1985:	$throwPoints = [];
1986:	$impurePoints = [
1987:	new ImpurePoint(
1988:	$scope,
1989:	$stmt,
1990:	'static',
1991:	'static variable',
1992:	true,
1993:	),
1994:	];
1995:
1996:	$vars = [];
1997:	foreach ($stmt->vars as $var) {
1998:	if (!is_string($var->var->name)) {
1999:	throw new ShouldNotHappenException();
2000:	}
2001:
2002:	if ($var->default !== null) {
2003:	$defaultExprResult = $this->processExprNode($stmt, $var->default, $scope, $nodeCallback, ExpressionContext::createDeep());
2004:	$impurePoints = array_merge($impurePoints, $defaultExprResult->getImpurePoints());
2005:	}
2006:
2007:	$scope = $scope->enterExpressionAssign($var->var);
2008:	$varResult = $this->processExprNode($stmt, $var->var, $scope, $nodeCallback, ExpressionContext::createDeep());
2009:	$impurePoints = array_merge($impurePoints, $varResult->getImpurePoints());
2010:	$scope = $scope->exitExpressionAssign($var->var);
2011:
2012:	$scope = $scope->assignVariable($var->var->name, new MixedType(), new MixedType(), TrinaryLogic::createYes());
2013:	$vars[] = $var->var->name;
2014:	}
2015:
2016:	$scope = $this->processVarAnnotation($scope, $vars, $stmt);
2017:	} elseif ($stmt instanceof Node\Stmt\Const_) {
2018:	$hasYield = false;
2019:	$throwPoints = [];
2020:	$impurePoints = [];
2021:	foreach ($stmt->consts as $const) {
2022:	$nodeCallback($const, $scope);
2023:	$constResult = $this->processExprNode($stmt, $const->value, $scope, $nodeCallback, ExpressionContext::createDeep());
2024:	$impurePoints = array_merge($impurePoints, $constResult->getImpurePoints());
2025:	if ($const->namespacedName !== null) {
2026:	$constantName = new Name\FullyQualified($const->namespacedName->toString());
2027:	} else {
2028:	$constantName = new Name\FullyQualified($const->name->toString());
2029:	}
2030:	$scope = $scope->assignExpression(new ConstFetch($constantName), $scope->getType($const->value), $scope->getNativeType($const->value));
2031:	}
2032:	} elseif ($stmt instanceof Node\Stmt\ClassConst) {
2033:	$hasYield = false;
2034:	$throwPoints = [];
2035:	$impurePoints = [];
2036:	$this->processAttributeGroups($stmt, $stmt->attrGroups, $scope, $nodeCallback);
2037:	foreach ($stmt->consts as $const) {
2038:	$nodeCallback($const, $scope);
2039:	$constResult = $this->processExprNode($stmt, $const->value, $scope, $nodeCallback, ExpressionContext::createDeep());
2040:	$impurePoints = array_merge($impurePoints, $constResult->getImpurePoints());
2041:	if ($scope->getClassReflection() === null) {
2042:	throw new ShouldNotHappenException();
2043:	}
2044:	$scope = $scope->assignExpression(
2045:	new Expr\ClassConstFetch(new Name\FullyQualified($scope->getClassReflection()->getName()), $const->name),
2046:	$scope->getType($const->value),
2047:	$scope->getNativeType($const->value),
2048:	);
2049:	}
2050:	} elseif ($stmt instanceof Node\Stmt\EnumCase) {
2051:	$hasYield = false;
2052:	$throwPoints = [];
2053:	$this->processAttributeGroups($stmt, $stmt->attrGroups, $scope, $nodeCallback);
2054:	$impurePoints = [];
2055:	if ($stmt->expr !== null) {
2056:	$exprResult = $this->processExprNode($stmt, $stmt->expr, $scope, $nodeCallback, ExpressionContext::createDeep());
2057:	$impurePoints = $exprResult->getImpurePoints();
2058:	}
2059:	} elseif ($stmt instanceof InlineHTML) {
2060:	$hasYield = false;
2061:	$throwPoints = [];
2062:	$impurePoints = [
2063:	new ImpurePoint($scope, $stmt, 'betweenPhpTags', 'output between PHP opening and closing tags', true),
2064:	];
2065:	} elseif ($stmt instanceof Node\Stmt\Block) {
2066:	$result = $this->processStmtNodes($stmt, $stmt->stmts, $scope, $nodeCallback, $context);
2067:	if ($this->polluteScopeWithBlock) {
2068:	return $result;
2069:	}
2070:
2071:	return new StatementResult(
2072:	$scope->mergeWith($result->getScope()),
2073:	$result->hasYield(),
2074:	$result->isAlwaysTerminating(),
2075:	$result->getExitPoints(),
2076:	$result->getThrowPoints(),
2077:	$result->getImpurePoints(),
2078:	$result->getEndStatements(),
2079:	);
2080:	} elseif ($stmt instanceof Node\Stmt\Nop) {
2081:	$hasYield = false;
2082:	$throwPoints = $overridingThrowPoints ?? [];
2083:	$impurePoints = [];
2084:	} elseif ($stmt instanceof Node\Stmt\GroupUse) {
2085:	$hasYield = false;
2086:	$throwPoints = [];
2087:	foreach ($stmt->uses as $use) {
2088:	$nodeCallback($use, $scope);
2089:	}
2090:	$impurePoints = [];
2091:	} else {
2092:	$hasYield = false;
2093:	$throwPoints = $overridingThrowPoints ?? [];
2094:	$impurePoints = [];
2095:	}
2096:
2097:	return new StatementResult($scope, $hasYield, false, [], $throwPoints, $impurePoints);
2098:	}
2099:
2100:	/**
2101:	* @return array{bool, string\|null}
2102:	*/
2103:	private function getDeprecatedAttribute(Scope $scope, Node\Stmt\Function_\|Node\Stmt\ClassMethod\|Node\PropertyHook $stmt): array
2104:	{
2105:	$initializerExprContext = InitializerExprContext::fromStubParameter(
2106:	$scope->isInClass() ? $scope->getClassReflection()->getName() : null,
2107:	$scope->getFile(),
2108:	$stmt,
2109:	);
2110:	$isDeprecated = false;
2111:	$deprecatedDescription = null;
2112:	$deprecatedDescriptionType = null;
2113:	foreach ($stmt->attrGroups as $attrGroup) {
2114:	foreach ($attrGroup->attrs as $attr) {
2115:	if ($attr->name->toString() !== 'Deprecated') {
2116:	continue;
2117:	}
2118:	$isDeprecated = true;
2119:	$arguments = $attr->args;
2120:	foreach ($arguments as $i => $arg) {
2121:	$argName = $arg->name;
2122:	if ($argName === null) {
2123:	if ($i !== 0) {
2124:	continue;
2125:	}
2126:
2127:	$deprecatedDescriptionType = $this->initializerExprTypeResolver->getType($arg->value, $initializerExprContext);
2128:	break;
2129:	}
2130:
2131:	if ($argName->toString() !== 'message') {
2132:	continue;
2133:	}
2134:
2135:	$deprecatedDescriptionType = $this->initializerExprTypeResolver->getType($arg->value, $initializerExprContext);
2136:	break;
2137:	}
2138:	}
2139:	}
2140:
2141:	if ($deprecatedDescriptionType !== null) {
2142:	$constantStrings = $deprecatedDescriptionType->getConstantStrings();
2143:	if (count($constantStrings) === 1) {
2144:	$deprecatedDescription = $constantStrings[0]->getValue();
2145:	}
2146:	}
2147:
2148:	return [$isDeprecated, $deprecatedDescription];
2149:	}
2150:
2151:	/**
2152:	* @return ThrowPoint[]\|null
2153:	*/
2154:	private function getOverridingThrowPoints(Node\Stmt $statement, MutatingScope $scope): ?array
2155:	{
2156:	foreach ($statement->getComments() as $comment) {
2157:	if (!$comment instanceof Doc) {
2158:	continue;
2159:	}
2160:
2161:	$function = $scope->getFunction();
2162:	$resolvedPhpDoc = $this->fileTypeMapper->getResolvedPhpDoc(
2163:	$scope->getFile(),
2164:	$scope->isInClass() ? $scope->getClassReflection()->getName() : null,
2165:	$scope->isInTrait() ? $scope->getTraitReflection()->getName() : null,
2166:	$function !== null ? $function->getName() : null,
2167:	$comment->getText(),
2168:	);
2169:
2170:	$throwsTag = $resolvedPhpDoc->getThrowsTag();
2171:	if ($throwsTag !== null) {
2172:	$throwsType = $throwsTag->getType();
2173:	if ($throwsType->isVoid()->yes()) {
2174:	return [];
2175:	}
2176:
2177:	return [ThrowPoint::createExplicit($scope, $throwsType, $statement, false)];
2178:	}
2179:	}
2180:
2181:	return null;
2182:	}
2183:
2184:	private function getCurrentClassReflection(Node\Stmt\ClassLike $stmt, string $className, Scope $scope): ClassReflection
2185:	{
2186:	if (!$this->reflectionProvider->hasClass($className)) {
2187:	return $this->createAstClassReflection($stmt, $className, $scope);
2188:	}
2189:
2190:	$defaultClassReflection = $this->reflectionProvider->getClass($className);
2191:	if ($defaultClassReflection->getFileName() !== $scope->getFile()) {
2192:	return $this->createAstClassReflection($stmt, $className, $scope);
2193:	}
2194:
2195:	$startLine = $defaultClassReflection->getNativeReflection()->getStartLine();
2196:	if ($startLine !== $stmt->getStartLine()) {
2197:	return $this->createAstClassReflection($stmt, $className, $scope);
2198:	}
2199:
2200:	return $defaultClassReflection;
2201:	}
2202:
2203:	private function createAstClassReflection(Node\Stmt\ClassLike $stmt, string $className, Scope $scope): ClassReflection
2204:	{
2205:	$nodeToReflection = new NodeToReflection();
2206:	$betterReflectionClass = $nodeToReflection->__invoke(
2207:	$this->reflector,
2208:	$stmt,
2209:	new LocatedSource(FileReader::read($scope->getFile()), $className, $scope->getFile()),
2210:	$scope->getNamespace() !== null ? new Node\Stmt\Namespace_(new Name($scope->getNamespace())) : null,
2211:	);
2212:	if (!$betterReflectionClass instanceof \PHPStan\BetterReflection\Reflection\ReflectionClass) {
2213:	throw new ShouldNotHappenException();
2214:	}
2215:
2216:	$enumAdapter = base64_decode('UEhQU3RhblxCZXR0ZXJSZWZsZWN0aW9uXFJlZmxlY3Rpb25cQWRhcHRlclxSZWZsZWN0aW9uRW51bQ==', true);
2217:
2218:	return new ClassReflection(
2219:	$this->reflectionProvider,
2220:	$this->initializerExprTypeResolver,
2221:	$this->fileTypeMapper,
2222:	$this->stubPhpDocProvider,
2223:	$this->phpDocInheritanceResolver,
2224:	$this->phpVersion,
2225:	$this->signatureMapProvider,
2226:	$this->deprecationProvider,
2227:	$this->attributeReflectionFactory,
2228:	$this->classReflectionExtensionRegistryProvider->getRegistry()->getPhpClassReflectionExtension(),
2229:	$this->classReflectionExtensionRegistryProvider->getRegistry()->getPropertiesClassReflectionExtensions(),
2230:	$this->classReflectionExtensionRegistryProvider->getRegistry()->getMethodsClassReflectionExtensions(),
2231:	$this->classReflectionExtensionRegistryProvider->getRegistry()->getAllowedSubTypesClassReflectionExtensions(),
2232:	$this->classReflectionExtensionRegistryProvider->getRegistry()->getRequireExtendsPropertyClassReflectionExtension(),
2233:	$this->classReflectionExtensionRegistryProvider->getRegistry()->getRequireExtendsMethodsClassReflectionExtension(),
2234:	$betterReflectionClass->getName(),
2235:	$betterReflectionClass instanceof ReflectionEnum && PHP_VERSION_ID >= 80000 ? new $enumAdapter($betterReflectionClass) : new ReflectionClass($betterReflectionClass),
2236:	null,
2237:	null,
2238:	null,
2239:	$this->universalObjectCratesClasses,
2240:	sprintf('%s:%d', $scope->getFile(), $stmt->getStartLine()),
2241:	);
2242:	}
2243:
2244:	private function lookForSetAllowedUndefinedExpressions(MutatingScope $scope, Expr $expr): MutatingScope
2245:	{
2246:	return $this->lookForExpressionCallback($scope, $expr, static fn (MutatingScope $scope, Expr $expr): MutatingScope => $scope->setAllowedUndefinedExpression($expr));
2247:	}
2248:
2249:	private function lookForUnsetAllowedUndefinedExpressions(MutatingScope $scope, Expr $expr): MutatingScope
2250:	{
2251:	return $this->lookForExpressionCallback($scope, $expr, static fn (MutatingScope $scope, Expr $expr): MutatingScope => $scope->unsetAllowedUndefinedExpression($expr));
2252:	}
2253:
2254:	/**
2255:	* @param Closure(MutatingScope $scope, Expr $expr): MutatingScope $callback
2256:	*/
2257:	private function lookForExpressionCallback(MutatingScope $scope, Expr $expr, Closure $callback): MutatingScope
2258:	{
2259:	if (!$expr instanceof ArrayDimFetch \|\| $expr->dim !== null) {
2260:	$scope = $callback($scope, $expr);
2261:	}
2262:
2263:	if ($expr instanceof ArrayDimFetch) {
2264:	$scope = $this->lookForExpressionCallback($scope, $expr->var, $callback);
2265:	} elseif ($expr instanceof PropertyFetch \|\| $expr instanceof Expr\NullsafePropertyFetch) {
2266:	$scope = $this->lookForExpressionCallback($scope, $expr->var, $callback);
2267:	} elseif ($expr instanceof StaticPropertyFetch && $expr->class instanceof Expr) {
2268:	$scope = $this->lookForExpressionCallback($scope, $expr->class, $callback);
2269:	} elseif ($expr instanceof List_) {
2270:	foreach ($expr->items as $item) {
2271:	if ($item === null) {
2272:	continue;
2273:	}
2274:
2275:	$scope = $this->lookForExpressionCallback($scope, $item->value, $callback);
2276:	}
2277:	}
2278:
2279:	return $scope;
2280:	}
2281:
2282:	private function ensureShallowNonNullability(MutatingScope $scope, Scope $originalScope, Expr $exprToSpecify): EnsuredNonNullabilityResult
2283:	{
2284:	$exprType = $scope->getType($exprToSpecify);
2285:	$isNull = $exprType->isNull();
2286:	if ($isNull->yes()) {
2287:	return new EnsuredNonNullabilityResult($scope, []);
2288:	}
2289:
2290:	// keep certainty
2291:	$certainty = TrinaryLogic::createYes();
2292:	$hasExpressionType = $originalScope->hasExpressionType($exprToSpecify);
2293:	if (!$hasExpressionType->no()) {
2294:	$certainty = $hasExpressionType;
2295:	}
2296:
2297:	$exprTypeWithoutNull = TypeCombinator::removeNull($exprType);
2298:	if ($exprType->equals($exprTypeWithoutNull)) {
2299:	$originalExprType = $originalScope->getType($exprToSpecify);
2300:	if (!$originalExprType->equals($exprTypeWithoutNull)) {
2301:	$originalNativeType = $originalScope->getNativeType($exprToSpecify);
2302:
2303:	return new EnsuredNonNullabilityResult($scope, [
2304:	new EnsuredNonNullabilityResultExpression($exprToSpecify, $originalExprType, $originalNativeType, $certainty),
2305:	]);
2306:	}
2307:	return new EnsuredNonNullabilityResult($scope, []);
2308:	}
2309:
2310:	$nativeType = $scope->getNativeType($exprToSpecify);
2311:	$scope = $scope->specifyExpressionType(
2312:	$exprToSpecify,
2313:	$exprTypeWithoutNull,
2314:	TypeCombinator::removeNull($nativeType),
2315:	TrinaryLogic::createYes(),
2316:	);
2317:
2318:	return new EnsuredNonNullabilityResult(
2319:	$scope,
2320:	[
2321:	new EnsuredNonNullabilityResultExpression($exprToSpecify, $exprType, $nativeType, $certainty),
2322:	],
2323:	);
2324:	}
2325:
2326:	private function ensureNonNullability(MutatingScope $scope, Expr $expr): EnsuredNonNullabilityResult
2327:	{
2328:	$specifiedExpressions = [];
2329:	$originalScope = $scope;
2330:	$scope = $this->lookForExpressionCallback($scope, $expr, function ($scope, $expr) use (&$specifiedExpressions, $originalScope) {
2331:	$result = $this->ensureShallowNonNullability($scope, $originalScope, $expr);
2332:	foreach ($result->getSpecifiedExpressions() as $specifiedExpression) {
2333:	$specifiedExpressions[] = $specifiedExpression;
2334:	}
2335:	return $result->getScope();
2336:	});
2337:
2338:	return new EnsuredNonNullabilityResult($scope, $specifiedExpressions);
2339:	}
2340:
2341:	/**
2342:	* @param EnsuredNonNullabilityResultExpression[] $specifiedExpressions
2343:	*/
2344:	private function revertNonNullability(MutatingScope $scope, array $specifiedExpressions): MutatingScope
2345:	{
2346:	foreach ($specifiedExpressions as $specifiedExpressionResult) {
2347:	$scope = $scope->specifyExpressionType(
2348:	$specifiedExpressionResult->getExpression(),
2349:	$specifiedExpressionResult->getOriginalType(),
2350:	$specifiedExpressionResult->getOriginalNativeType(),
2351:	$specifiedExpressionResult->getCertainty(),
2352:	);
2353:	}
2354:
2355:	return $scope;
2356:	}
2357:
2358:	private function findEarlyTerminatingExpr(Expr $expr, Scope $scope): ?Expr
2359:	{
2360:	if (($expr instanceof MethodCall \|\| $expr instanceof Expr\StaticCall) && $expr->name instanceof Node\Identifier) {
2361:	if (array_key_exists($expr->name->toLowerString(), $this->earlyTerminatingMethodNames)) {
2362:	if ($expr instanceof MethodCall) {
2363:	$methodCalledOnType = $scope->getType($expr->var);
2364:	} else {
2365:	if ($expr->class instanceof Name) {
2366:	$methodCalledOnType = $scope->resolveTypeByName($expr->class);
2367:	} else {
2368:	$methodCalledOnType = $scope->getType($expr->class);
2369:	}
2370:	}
2371:
2372:	foreach ($methodCalledOnType->getObjectClassNames() as $referencedClass) {
2373:	if (!$this->reflectionProvider->hasClass($referencedClass)) {
2374:	continue;
2375:	}
2376:
2377:	$classReflection = $this->reflectionProvider->getClass($referencedClass);
2378:	foreach (array_merge([$referencedClass], $classReflection->getParentClassesNames(), $classReflection->getNativeReflection()->getInterfaceNames()) as $className) {
2379:	if (!isset($this->earlyTerminatingMethodCalls[$className])) {
2380:	continue;
2381:	}
2382:
2383:	if (in_array((string) $expr->name, $this->earlyTerminatingMethodCalls[$className], true)) {
2384:	return $expr;
2385:	}
2386:	}
2387:	}
2388:	}
2389:	}
2390:
2391:	if ($expr instanceof FuncCall && $expr->name instanceof Name) {
2392:	if (in_array((string) $expr->name, $this->earlyTerminatingFunctionCalls, true)) {
2393:	return $expr;
2394:	}
2395:	}
2396:
2397:	if ($expr instanceof Expr\Exit_ \|\| $expr instanceof Expr\Throw_) {
2398:	return $expr;
2399:	}
2400:
2401:	$exprType = $scope->getType($expr);
2402:	if ($exprType instanceof NeverType && $exprType->isExplicit()) {
2403:	return $expr;
2404:	}
2405:
2406:	return null;
2407:	}
2408:
2409:	/**
2410:	* @param callable(Node $node, Scope $scope): void $nodeCallback
2411:	*/
2412:	public function processExprNode(Node\Stmt $stmt, Expr $expr, MutatingScope $scope, callable $nodeCallback, ExpressionContext $context): ExpressionResult
2413:	{
2414:	if ($expr instanceof Expr\CallLike && $expr->isFirstClassCallable()) {
2415:	if ($expr instanceof FuncCall) {
2416:	$newExpr = new FunctionCallableNode($expr->name, $expr);
2417:	} elseif ($expr instanceof MethodCall) {
2418:	$newExpr = new MethodCallableNode($expr->var, $expr->name, $expr);
2419:	} elseif ($expr instanceof StaticCall) {
2420:	$newExpr = new StaticMethodCallableNode($expr->class, $expr->name, $expr);
2421:	} elseif ($expr instanceof New_ && !$expr->class instanceof Class_) {
2422:	$newExpr = new InstantiationCallableNode($expr->class, $expr);
2423:	} else {
2424:	throw new ShouldNotHappenException();
2425:	}
2426:
2427:	return $this->processExprNode($stmt, $newExpr, $scope, $nodeCallback, $context);
2428:	}
2429:
2430:	$this->callNodeCallbackWithExpression($nodeCallback, $expr, $scope, $context);
2431:
2432:	if ($expr instanceof Variable) {
2433:	$hasYield = false;
2434:	$throwPoints = [];
2435:	$impurePoints = [];
2436:	$isAlwaysTerminating = false;
2437:	if ($expr->name instanceof Expr) {
2438:	return $this->processExprNode($stmt, $expr->name, $scope, $nodeCallback, $context->enterDeep());
2439:	} elseif (in_array($expr->name, Scope::SUPERGLOBAL_VARIABLES, true)) {
2440:	$impurePoints[] = new ImpurePoint($scope, $expr, 'superglobal', 'access to superglobal variable', true);
2441:	}
2442:	} elseif ($expr instanceof Assign \|\| $expr instanceof AssignRef) {
2443:	$result = $this->processAssignVar(
2444:	$scope,
2445:	$stmt,
2446:	$expr->var,
2447:	$expr->expr,
2448:	$nodeCallback,
2449:	$context,
2450:	function (MutatingScope $scope) use ($stmt, $expr, $nodeCallback, $context): ExpressionResult {
2451:	$impurePoints = [];
2452:	if ($expr instanceof AssignRef) {
2453:	$referencedExpr = $expr->expr;
2454:	while ($referencedExpr instanceof ArrayDimFetch) {
2455:	$referencedExpr = $referencedExpr->var;
2456:	}
2457:
2458:	if ($referencedExpr instanceof PropertyFetch \|\| $referencedExpr instanceof StaticPropertyFetch) {
2459:	$impurePoints[] = new ImpurePoint(
2460:	$scope,
2461:	$expr,
2462:	'propertyAssignByRef',
2463:	'property assignment by reference',
2464:	false,
2465:	);
2466:	}
2467:
2468:	$scope = $scope->enterExpressionAssign($expr->expr);
2469:	}
2470:
2471:	if ($expr->var instanceof Variable && is_string($expr->var->name)) {
2472:	$context = $context->enterRightSideAssign(
2473:	$expr->var->name,
2474:	$scope->getType($expr->expr),
2475:	$scope->getNativeType($expr->expr),
2476:	);
2477:	}
2478:
2479:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context->enterDeep());
2480:	$hasYield = $result->hasYield();
2481:	$throwPoints = $result->getThrowPoints();
2482:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
2483:	$isAlwaysTerminating = $result->isAlwaysTerminating();
2484:	$scope = $result->getScope();
2485:
2486:	if ($expr instanceof AssignRef) {
2487:	$scope = $scope->exitExpressionAssign($expr->expr);
2488:	}
2489:
2490:	return new ExpressionResult($scope, $hasYield, $isAlwaysTerminating, $throwPoints, $impurePoints);
2491:	},
2492:	true,
2493:	);
2494:	$scope = $result->getScope();
2495:	$hasYield = $result->hasYield();
2496:	$throwPoints = $result->getThrowPoints();
2497:	$impurePoints = $result->getImpurePoints();
2498:	$isAlwaysTerminating = $result->isAlwaysTerminating();
2499:	$vars = $this->getAssignedVariables($expr->var);
2500:	if (count($vars) > 0) {
2501:	$varChangedScope = false;
2502:	$scope = $this->processVarAnnotation($scope, $vars, $stmt, $varChangedScope);
2503:	if (!$varChangedScope) {
2504:	$scope = $this->processStmtVarAnnotation($scope, $stmt, null, $nodeCallback);
2505:	}
2506:	}
2507:	} elseif ($expr instanceof Expr\AssignOp) {
2508:	$result = $this->processAssignVar(
2509:	$scope,
2510:	$stmt,
2511:	$expr->var,
2512:	$expr,
2513:	$nodeCallback,
2514:	$context,
2515:	function (MutatingScope $scope) use ($stmt, $expr, $nodeCallback, $context): ExpressionResult {
2516:	$originalScope = $scope;
2517:	if ($expr instanceof Expr\AssignOp\Coalesce) {
2518:	$scope = $scope->filterByFalseyValue(
2519:	new BinaryOp\NotIdentical($expr->var, new ConstFetch(new Name('null'))),
2520:	);
2521:	}
2522:
2523:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context->enterDeep());
2524:	if ($expr instanceof Expr\AssignOp\Coalesce) {
2525:	return new ExpressionResult(
2526:	$result->getScope()->mergeWith($originalScope),
2527:	$result->hasYield(),
2528:	$result->isAlwaysTerminating(),
2529:	$result->getThrowPoints(),
2530:	$result->getImpurePoints(),
2531:	);
2532:	}
2533:
2534:	return $result;
2535:	},
2536:	$expr instanceof Expr\AssignOp\Coalesce,
2537:	);
2538:	$scope = $result->getScope();
2539:	$hasYield = $result->hasYield();
2540:	$throwPoints = $result->getThrowPoints();
2541:	$impurePoints = $result->getImpurePoints();
2542:	$isAlwaysTerminating = $result->isAlwaysTerminating();
2543:	if (
2544:	($expr instanceof Expr\AssignOp\Div \|\| $expr instanceof Expr\AssignOp\Mod) &&
2545:	!$scope->getType($expr->expr)->toNumber()->isSuperTypeOf(new ConstantIntegerType(0))->no()
2546:	) {
2547:	$throwPoints[] = ThrowPoint::createExplicit($scope, new ObjectType(DivisionByZeroError::class), $expr, false);
2548:	}
2549:	} elseif ($expr instanceof FuncCall) {
2550:	$parametersAcceptor = null;
2551:	$functionReflection = null;
2552:	$throwPoints = [];
2553:	$impurePoints = [];
2554:	$isAlwaysTerminating = false;
2555:	if ($expr->name instanceof Expr) {
2556:	$nameType = $scope->getType($expr->name);
2557:	if (!$nameType->isCallable()->no()) {
2558:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
2559:	$scope,
2560:	$expr->getArgs(),
2561:	$nameType->getCallableParametersAcceptors($scope),
2562:	null,
2563:	);
2564:	}
2565:
2566:	$nameResult = $this->processExprNode($stmt, $expr->name, $scope, $nodeCallback, $context->enterDeep());
2567:	$scope = $nameResult->getScope();
2568:	$throwPoints = $nameResult->getThrowPoints();
2569:	$impurePoints = $nameResult->getImpurePoints();
2570:	$isAlwaysTerminating = $nameResult->isAlwaysTerminating();
2571:	if (
2572:	$nameType->isObject()->yes()
2573:	&& $nameType->isCallable()->yes()
2574:	&& (new ObjectType(Closure::class))->isSuperTypeOf($nameType)->no()
2575:	) {
2576:	$invokeResult = $this->processExprNode(
2577:	$stmt,
2578:	new MethodCall($expr->name, '__invoke', $expr->getArgs(), $expr->getAttributes()),
2579:	$scope,
2580:	static function (): void {
2581:	},
2582:	$context->enterDeep(),
2583:	);
2584:	$throwPoints = array_merge($throwPoints, $invokeResult->getThrowPoints());
2585:	$impurePoints = array_merge($impurePoints, $invokeResult->getImpurePoints());
2586:	$isAlwaysTerminating = $invokeResult->isAlwaysTerminating();
2587:	} elseif ($parametersAcceptor instanceof CallableParametersAcceptor) {
2588:	$callableThrowPoints = array_map(static fn (SimpleThrowPoint $throwPoint) => $throwPoint->isExplicit() ? ThrowPoint::createExplicit($scope, $throwPoint->getType(), $expr, $throwPoint->canContainAnyThrowable()) : ThrowPoint::createImplicit($scope, $expr), $parametersAcceptor->getThrowPoints());
2589:	if (!$this->implicitThrows) {
2590:	$callableThrowPoints = array_values(array_filter($callableThrowPoints, static fn (ThrowPoint $throwPoint) => $throwPoint->isExplicit()));
2591:	}
2592:	$throwPoints = array_merge($throwPoints, $callableThrowPoints);
2593:	$impurePoints = array_merge($impurePoints, array_map(static fn (SimpleImpurePoint $impurePoint) => new ImpurePoint($scope, $expr, $impurePoint->getIdentifier(), $impurePoint->getDescription(), $impurePoint->isCertain()), $parametersAcceptor->getImpurePoints()));
2594:
2595:	$scope = $this->processImmediatelyCalledCallable($scope, $parametersAcceptor->getInvalidateExpressions(), $parametersAcceptor->getUsedVariables());
2596:	}
2597:	} elseif ($this->reflectionProvider->hasFunction($expr->name, $scope)) {
2598:	$functionReflection = $this->reflectionProvider->getFunction($expr->name, $scope);
2599:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
2600:	$scope,
2601:	$expr->getArgs(),
2602:	$functionReflection->getVariants(),
2603:	$functionReflection->getNamedArgumentsVariants(),
2604:	);
2605:	$impurePoint = SimpleImpurePoint::createFromVariant($functionReflection, $parametersAcceptor);
2606:	if ($impurePoint !== null) {
2607:	$impurePoints[] = new ImpurePoint($scope, $expr, $impurePoint->getIdentifier(), $impurePoint->getDescription(), $impurePoint->isCertain());
2608:	}
2609:	} else {
2610:	$impurePoints[] = new ImpurePoint(
2611:	$scope,
2612:	$expr,
2613:	'functionCall',
2614:	'call to unknown function',
2615:	false,
2616:	);
2617:	}
2618:
2619:	if ($parametersAcceptor !== null) {
2620:	$expr = ArgumentsNormalizer::reorderFuncArguments($parametersAcceptor, $expr) ?? $expr;
2621:	$returnType = $parametersAcceptor->getReturnType();
2622:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $returnType instanceof NeverType && $returnType->isExplicit();
2623:	}
2624:	$result = $this->processArgs($stmt, $functionReflection, null, $parametersAcceptor, $expr, $scope, $nodeCallback, $context);
2625:	$scope = $result->getScope();
2626:	$hasYield = $result->hasYield();
2627:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
2628:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
2629:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
2630:
2631:	if ($functionReflection !== null) {
2632:	$functionThrowPoint = $this->getFunctionThrowPoint($functionReflection, $parametersAcceptor, $expr, $scope);
2633:	if ($functionThrowPoint !== null) {
2634:	$throwPoints[] = $functionThrowPoint;
2635:	}
2636:	} else {
2637:	$throwPoints[] = ThrowPoint::createImplicit($scope, $expr);
2638:	}
2639:
2640:	if (
2641:	$parametersAcceptor instanceof ClosureType && count($parametersAcceptor->getImpurePoints()) > 0
2642:	&& $scope->isInClass()
2643:	) {
2644:	$scope = $scope->invalidateExpression(new Variable('this'), true);
2645:	}
2646:
2647:	if (
2648:	$functionReflection !== null
2649:	&& in_array($functionReflection->getName(), ['json_encode', 'json_decode'], true)
2650:	) {
2651:	$scope = $scope->invalidateExpression(new FuncCall(new Name('json_last_error'), []))
2652:	->invalidateExpression(new FuncCall(new Name\FullyQualified('json_last_error'), []))
2653:	->invalidateExpression(new FuncCall(new Name('json_last_error_msg'), []))
2654:	->invalidateExpression(new FuncCall(new Name\FullyQualified('json_last_error_msg'), []));
2655:	}
2656:
2657:	if (
2658:	$functionReflection !== null
2659:	&& $functionReflection->getName() === 'file_put_contents'
2660:	&& count($expr->getArgs()) > 0
2661:	) {
2662:	$scope = $scope->invalidateExpression(new FuncCall(new Name('file_get_contents'), [$expr->getArgs()[0]]))
2663:	->invalidateExpression(new FuncCall(new Name\FullyQualified('file_get_contents'), [$expr->getArgs()[0]]));
2664:	}
2665:
2666:	if (
2667:	$functionReflection !== null
2668:	&& in_array($functionReflection->getName(), ['array_pop', 'array_shift'], true)
2669:	&& count($expr->getArgs()) >= 1
2670:	) {
2671:	$arrayArg = $expr->getArgs()[0]->value;
2672:
2673:	$arrayArgType = $scope->getType($arrayArg);
2674:	$arrayArgNativeType = $scope->getNativeType($arrayArg);
2675:	$isArrayPop = $functionReflection->getName() === 'array_pop';
2676:
2677:	$scope = $this->processAssignVar(
2678:	$scope,
2679:	$stmt,
2680:	$arrayArg,
2681:	new NativeTypeExpr(
2682:	$isArrayPop ? $arrayArgType->popArray() : $arrayArgType->shiftArray(),
2683:	$isArrayPop ? $arrayArgNativeType->popArray() : $arrayArgNativeType->shiftArray(),
2684:	),
2685:	static function (Node $node, Scope $scope) use ($nodeCallback): void {
2686:	if (!$node instanceof PropertyAssignNode && !$node instanceof VariableAssignNode) {
2687:	return;
2688:	}
2689:
2690:	$nodeCallback($node, $scope);
2691:	},
2692:	$context,
2693:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
2694:	true,
2695:	)->getScope();
2696:	}
2697:
2698:	if (
2699:	$functionReflection !== null
2700:	&& in_array($functionReflection->getName(), ['array_push', 'array_unshift'], true)
2701:	&& count($expr->getArgs()) >= 2
2702:	) {
2703:	$arrayArg = $expr->getArgs()[0]->value;
2704:
2705:	$scope = $this->processAssignVar(
2706:	$scope,
2707:	$stmt,
2708:	$arrayArg,
2709:	new NativeTypeExpr(
2710:	$this->getArrayFunctionAppendingType($functionReflection, $scope, $expr),
2711:	$this->getArrayFunctionAppendingType($functionReflection, $scope->doNotTreatPhpDocTypesAsCertain(), $expr),
2712:	),
2713:	static function (Node $node, Scope $scope) use ($nodeCallback): void {
2714:	if (!$node instanceof PropertyAssignNode && !$node instanceof VariableAssignNode) {
2715:	return;
2716:	}
2717:
2718:	$nodeCallback($node, $scope);
2719:	},
2720:	$context,
2721:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
2722:	true,
2723:	)->getScope();
2724:	}
2725:
2726:	if (
2727:	$functionReflection !== null
2728:	&& in_array($functionReflection->getName(), ['fopen', 'file_get_contents'], true)
2729:	) {
2730:	$scope = $scope->assignVariable('http_response_header', TypeCombinator::intersect(new ArrayType(new IntegerType(), new StringType()), new AccessoryArrayListType()), new ArrayType(new IntegerType(), new StringType()), TrinaryLogic::createYes());
2731:	}
2732:
2733:	if (
2734:	$functionReflection !== null
2735:	&& $functionReflection->getName() === 'shuffle'
2736:	) {
2737:	$arrayArg = $expr->getArgs()[0]->value;
2738:
2739:	$scope = $this->processAssignVar(
2740:	$scope,
2741:	$stmt,
2742:	$arrayArg,
2743:	new NativeTypeExpr($scope->getType($arrayArg)->shuffleArray(), $scope->getNativeType($arrayArg)->shuffleArray()),
2744:	static function (Node $node, Scope $scope) use ($nodeCallback): void {
2745:	if (!$node instanceof PropertyAssignNode && !$node instanceof VariableAssignNode) {
2746:	return;
2747:	}
2748:
2749:	$nodeCallback($node, $scope);
2750:	},
2751:	$context,
2752:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
2753:	true,
2754:	)->getScope();
2755:	}
2756:
2757:	if (
2758:	$functionReflection !== null
2759:	&& $functionReflection->getName() === 'array_splice'
2760:	&& count($expr->getArgs()) >= 2
2761:	) {
2762:	$arrayArg = $expr->getArgs()[0]->value;
2763:	$arrayArgType = $scope->getType($arrayArg);
2764:	$arrayArgNativeType = $scope->getNativeType($arrayArg);
2765:
2766:	$offsetType = $scope->getType($expr->getArgs()[1]->value);
2767:	$lengthType = isset($expr->getArgs()[2]) ? $scope->getType($expr->getArgs()[2]->value) : new NullType();
2768:	$replacementType = isset($expr->getArgs()[3]) ? $scope->getType($expr->getArgs()[3]->value) : new ConstantArrayType([], []);
2769:
2770:	$scope = $this->processAssignVar(
2771:	$scope,
2772:	$stmt,
2773:	$arrayArg,
2774:	new NativeTypeExpr(
2775:	$arrayArgType->spliceArray($offsetType, $lengthType, $replacementType),
2776:	$arrayArgNativeType->spliceArray($offsetType, $lengthType, $replacementType),
2777:	),
2778:	static function (Node $node, Scope $scope) use ($nodeCallback): void {
2779:	if (!$node instanceof PropertyAssignNode && !$node instanceof VariableAssignNode) {
2780:	return;
2781:	}
2782:
2783:	$nodeCallback($node, $scope);
2784:	},
2785:	$context,
2786:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
2787:	true,
2788:	)->getScope();
2789:	}
2790:
2791:	if (
2792:	$functionReflection !== null
2793:	&& in_array($functionReflection->getName(), ['sort', 'rsort', 'usort'], true)
2794:	&& count($expr->getArgs()) >= 1
2795:	) {
2796:	$arrayArg = $expr->getArgs()[0]->value;
2797:
2798:	$scope = $this->processAssignVar(
2799:	$scope,
2800:	$stmt,
2801:	$arrayArg,
2802:	new NativeTypeExpr($this->getArraySortPreserveListFunctionType($scope->getType($arrayArg)), $this->getArraySortPreserveListFunctionType($scope->getNativeType($arrayArg))),
2803:	static function (Node $node, Scope $scope) use ($nodeCallback): void {
2804:	if (!$node instanceof PropertyAssignNode && !$node instanceof VariableAssignNode) {
2805:	return;
2806:	}
2807:
2808:	$nodeCallback($node, $scope);
2809:	},
2810:	$context,
2811:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
2812:	true,
2813:	)->getScope();
2814:	}
2815:
2816:	if (
2817:	$functionReflection !== null
2818:	&& in_array($functionReflection->getName(), ['natcasesort', 'natsort', 'arsort', 'asort', 'ksort', 'krsort', 'uasort', 'uksort'], true)
2819:	&& count($expr->getArgs()) >= 1
2820:	) {
2821:	$arrayArg = $expr->getArgs()[0]->value;
2822:
2823:	$scope = $this->processAssignVar(
2824:	$scope,
2825:	$stmt,
2826:	$arrayArg,
2827:	new NativeTypeExpr($this->getArraySortDoNotPreserveListFunctionType($scope->getType($arrayArg)), $this->getArraySortDoNotPreserveListFunctionType($scope->getNativeType($arrayArg))),
2828:	static function (Node $node, Scope $scope) use ($nodeCallback): void {
2829:	if (!$node instanceof PropertyAssignNode && !$node instanceof VariableAssignNode) {
2830:	return;
2831:	}
2832:
2833:	$nodeCallback($node, $scope);
2834:	},
2835:	$context,
2836:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
2837:	true,
2838:	)->getScope();
2839:	}
2840:
2841:	if (
2842:	$functionReflection !== null
2843:	&& $functionReflection->getName() === 'extract'
2844:	) {
2845:	$extractedArg = $expr->getArgs()[0]->value;
2846:	$extractedType = $scope->getType($extractedArg);
2847:	$constantArrays = $extractedType->getConstantArrays();
2848:	if (count($constantArrays) > 0) {
2849:	$properties = [];
2850:	$optionalProperties = [];
2851:	$refCount = [];
2852:	foreach ($constantArrays as $constantArray) {
2853:	foreach ($constantArray->getKeyTypes() as $i => $keyType) {
2854:	if ($keyType->isString()->no()) {
2855:	// integers as variable names not allowed
2856:	continue;
2857:	}
2858:	$key = (string) $keyType->getValue();
2859:	$valueType = $constantArray->getValueTypes()[$i];
2860:	$optional = $constantArray->isOptionalKey($i);
2861:	if ($optional) {
2862:	$optionalProperties[] = $key;
2863:	}
2864:	if (isset($properties[$key])) {
2865:	$properties[$key] = TypeCombinator::union($properties[$key], $valueType);
2866:	$refCount[$key]++;
2867:	} else {
2868:	$properties[$key] = $valueType;
2869:	$refCount[$key] = 1;
2870:	}
2871:	}
2872:	}
2873:	foreach ($properties as $name => $type) {
2874:	$optional = in_array($name, $optionalProperties, true) \|\| $refCount[$name] < count($constantArrays);
2875:	$scope = $scope->assignVariable($name, $type, $type, $optional ? TrinaryLogic::createMaybe() : TrinaryLogic::createYes());
2876:	}
2877:	} else {
2878:	$scope = $scope->afterExtractCall();
2879:	}
2880:	}
2881:
2882:	if (
2883:	$functionReflection !== null
2884:	&& in_array($functionReflection->getName(), ['clearstatcache', 'unlink'], true)
2885:	) {
2886:	$scope = $scope->afterClearstatcacheCall();
2887:	}
2888:
2889:	if (
2890:	$functionReflection !== null
2891:	&& str_starts_with($functionReflection->getName(), 'openssl')
2892:	) {
2893:	$scope = $scope->afterOpenSslCall($functionReflection->getName());
2894:	}
2895:
2896:	} elseif ($expr instanceof MethodCall) {
2897:	$originalScope = $scope;
2898:	if (
2899:	($expr->var instanceof Expr\Closure \|\| $expr->var instanceof Expr\ArrowFunction)
2900:	&& $expr->name instanceof Node\Identifier
2901:	&& strtolower($expr->name->name) === 'call'
2902:	&& isset($expr->getArgs()[0])
2903:	) {
2904:	$closureCallScope = $scope->enterClosureCall(
2905:	$scope->getType($expr->getArgs()[0]->value),
2906:	$scope->getNativeType($expr->getArgs()[0]->value),
2907:	);
2908:	}
2909:
2910:	$result = $this->processExprNode($stmt, $expr->var, $closureCallScope ?? $scope, $nodeCallback, $context->enterDeep());
2911:	$hasYield = $result->hasYield();
2912:	$throwPoints = $result->getThrowPoints();
2913:	$impurePoints = $result->getImpurePoints();
2914:	$isAlwaysTerminating = $result->isAlwaysTerminating();
2915:	$scope = $result->getScope();
2916:	if (isset($closureCallScope)) {
2917:	$scope = $scope->restoreOriginalScopeAfterClosureBind($originalScope);
2918:	}
2919:	$parametersAcceptor = null;
2920:	$methodReflection = null;
2921:	$calledOnType = $scope->getType($expr->var);
2922:	if ($expr->name instanceof Expr) {
2923:	$methodNameResult = $this->processExprNode($stmt, $expr->name, $scope, $nodeCallback, $context->enterDeep());
2924:	$throwPoints = array_merge($throwPoints, $methodNameResult->getThrowPoints());
2925:	$scope = $methodNameResult->getScope();
2926:	} else {
2927:	$methodName = $expr->name->name;
2928:	$methodReflection = $scope->getMethodReflection($calledOnType, $methodName);
2929:	if ($methodReflection !== null) {
2930:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
2931:	$scope,
2932:	$expr->getArgs(),
2933:	$methodReflection->getVariants(),
2934:	$methodReflection->getNamedArgumentsVariants(),
2935:	);
2936:
2937:	$methodThrowPoint = $this->getMethodThrowPoint($methodReflection, $parametersAcceptor, $expr, $scope);
2938:	if ($methodThrowPoint !== null) {
2939:	$throwPoints[] = $methodThrowPoint;
2940:	}
2941:	}
2942:	}
2943:
2944:	if ($methodReflection !== null) {
2945:	$impurePoint = SimpleImpurePoint::createFromVariant($methodReflection, $parametersAcceptor);
2946:	if ($impurePoint !== null) {
2947:	$impurePoints[] = new ImpurePoint($scope, $expr, $impurePoint->getIdentifier(), $impurePoint->getDescription(), $impurePoint->isCertain());
2948:	}
2949:	} else {
2950:	$impurePoints[] = new ImpurePoint(
2951:	$scope,
2952:	$expr,
2953:	'methodCall',
2954:	'call to unknown method',
2955:	false,
2956:	);
2957:	}
2958:
2959:	if ($parametersAcceptor !== null) {
2960:	$expr = ArgumentsNormalizer::reorderMethodArguments($parametersAcceptor, $expr) ?? $expr;
2961:	$returnType = $parametersAcceptor->getReturnType();
2962:	$isAlwaysTerminating = $returnType instanceof NeverType && $returnType->isExplicit();
2963:	}
2964:
2965:	$result = $this->processArgs(
2966:	$stmt,
2967:	$methodReflection,
2968:	$methodReflection !== null ? $scope->getNakedMethod($calledOnType, $methodReflection->getName()) : null,
2969:	$parametersAcceptor,
2970:	$expr,
2971:	$scope,
2972:	$nodeCallback,
2973:	$context,
2974:	);
2975:	$scope = $result->getScope();
2976:
2977:	if ($methodReflection !== null) {
2978:	$hasSideEffects = $methodReflection->hasSideEffects();
2979:	if ($hasSideEffects->yes() \|\| $methodReflection->getName() === '__construct') {
2980:	$nodeCallback(new InvalidateExprNode($expr->var), $scope);
2981:	$scope = $scope->invalidateExpression($expr->var, true);
2982:	}
2983:	if ($parametersAcceptor !== null && !$methodReflection->isStatic()) {
2984:	$selfOutType = $methodReflection->getSelfOutType();
2985:	if ($selfOutType !== null) {
2986:	$scope = $scope->assignExpression(
2987:	$expr->var,
2988:	TemplateTypeHelper::resolveTemplateTypes(
2989:	$selfOutType,
2990:	$parametersAcceptor->getResolvedTemplateTypeMap(),
2991:	$parametersAcceptor instanceof ExtendedParametersAcceptor ? $parametersAcceptor->getCallSiteVarianceMap() : TemplateTypeVarianceMap::createEmpty(),
2992:	TemplateTypeVariance::createCovariant(),
2993:	),
2994:	$scope->getNativeType($expr->var),
2995:	);
2996:	}
2997:	}
2998:
2999:	if (
3000:	$scope->isInClass()
3001:	&& $scope->getClassReflection()->getName() === $methodReflection->getDeclaringClass()->getName()
3002:	/*&& (
3003:	// should not be allowed but in practice has to be
3004:	$scope->getClassReflection()->isFinal()
3005:	\|\| $methodReflection->isFinal()->yes()
3006:	\|\| $methodReflection->isPrivate()
3007:	)*/
3008:	&& TypeUtils::findThisType($calledOnType) !== null
3009:	) {
3010:	$calledMethodScope = $this->processCalledMethod($methodReflection);
3011:	if ($calledMethodScope !== null) {
3012:	$scope = $scope->mergeInitializedProperties($calledMethodScope);
3013:	}
3014:	}
3015:	} else {
3016:	$throwPoints[] = ThrowPoint::createImplicit($scope, $expr);
3017:	}
3018:	$hasYield = $hasYield \|\| $result->hasYield();
3019:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3020:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3021:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3022:	} elseif ($expr instanceof Expr\NullsafeMethodCall) {
3023:	$nonNullabilityResult = $this->ensureShallowNonNullability($scope, $scope, $expr->var);
3024:	$exprResult = $this->processExprNode($stmt, new MethodCall($expr->var, $expr->name, $expr->args, array_merge($expr->getAttributes(), ['virtualNullsafeMethodCall' => true])), $nonNullabilityResult->getScope(), $nodeCallback, $context);
3025:	$scope = $this->revertNonNullability($exprResult->getScope(), $nonNullabilityResult->getSpecifiedExpressions());
3026:
3027:	return new ExpressionResult(
3028:	$scope,
3029:	$exprResult->hasYield(),
3030:	false,
3031:	$exprResult->getThrowPoints(),
3032:	$exprResult->getImpurePoints(),
3033:	static fn (): MutatingScope => $scope->filterByTruthyValue($expr),
3034:	static fn (): MutatingScope => $scope->filterByFalseyValue($expr),
3035:	);
3036:	} elseif ($expr instanceof StaticCall) {
3037:	$hasYield = false;
3038:	$throwPoints = [];
3039:	$impurePoints = [];
3040:	$isAlwaysTerminating = false;
3041:	if ($expr->class instanceof Expr) {
3042:	$objectClasses = $scope->getType($expr->class)->getObjectClassNames();
3043:	if (count($objectClasses) !== 1) {
3044:	$objectClasses = $scope->getType(new New_($expr->class))->getObjectClassNames();
3045:	}
3046:	if (count($objectClasses) === 1) {
3047:	$objectExprResult = $this->processExprNode($stmt, new StaticCall(new Name($objectClasses[0]), $expr->name, []), $scope, static function (): void {
3048:	}, $context->enterDeep());
3049:	$additionalThrowPoints = $objectExprResult->getThrowPoints();
3050:	} else {
3051:	$additionalThrowPoints = [ThrowPoint::createImplicit($scope, $expr)];
3052:	}
3053:	$classResult = $this->processExprNode($stmt, $expr->class, $scope, $nodeCallback, $context->enterDeep());
3054:	$hasYield = $classResult->hasYield();
3055:	$throwPoints = array_merge($throwPoints, $classResult->getThrowPoints());
3056:	$impurePoints = array_merge($impurePoints, $classResult->getImpurePoints());
3057:	$isAlwaysTerminating = $classResult->isAlwaysTerminating();
3058:	foreach ($additionalThrowPoints as $throwPoint) {
3059:	$throwPoints[] = $throwPoint;
3060:	}
3061:	$scope = $classResult->getScope();
3062:	}
3063:
3064:	$parametersAcceptor = null;
3065:	$methodReflection = null;
3066:	if ($expr->name instanceof Expr) {
3067:	$result = $this->processExprNode($stmt, $expr->name, $scope, $nodeCallback, $context->enterDeep());
3068:	$hasYield = $hasYield \|\| $result->hasYield();
3069:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3070:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3071:	$scope = $result->getScope();
3072:	} elseif ($expr->class instanceof Name) {
3073:	$classType = $scope->resolveTypeByName($expr->class);
3074:	$methodName = $expr->name->name;
3075:	if ($classType->hasMethod($methodName)->yes()) {
3076:	$methodReflection = $classType->getMethod($methodName, $scope);
3077:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
3078:	$scope,
3079:	$expr->getArgs(),
3080:	$methodReflection->getVariants(),
3081:	$methodReflection->getNamedArgumentsVariants(),
3082:	);
3083:
3084:	$methodThrowPoint = $this->getStaticMethodThrowPoint($methodReflection, $parametersAcceptor, $expr, $scope);
3085:	if ($methodThrowPoint !== null) {
3086:	$throwPoints[] = $methodThrowPoint;
3087:	}
3088:
3089:	$declaringClass = $methodReflection->getDeclaringClass();
3090:	if (
3091:	$declaringClass->getName() === 'Closure'
3092:	&& strtolower($methodName) === 'bind'
3093:	) {
3094:	$thisType = null;
3095:	$nativeThisType = null;
3096:	if (isset($expr->getArgs()[1])) {
3097:	$argType = $scope->getType($expr->getArgs()[1]->value);
3098:	if ($argType->isNull()->yes()) {
3099:	$thisType = null;
3100:	} else {
3101:	$thisType = $argType;
3102:	}
3103:
3104:	$nativeArgType = $scope->getNativeType($expr->getArgs()[1]->value);
3105:	if ($nativeArgType->isNull()->yes()) {
3106:	$nativeThisType = null;
3107:	} else {
3108:	$nativeThisType = $nativeArgType;
3109:	}
3110:	}
3111:	$scopeClasses = ['static'];
3112:	if (isset($expr->getArgs()[2])) {
3113:	$argValue = $expr->getArgs()[2]->value;
3114:	$argValueType = $scope->getType($argValue);
3115:
3116:	$directClassNames = $argValueType->getObjectClassNames();
3117:	if (count($directClassNames) > 0) {
3118:	$scopeClasses = $directClassNames;
3119:	$thisTypes = [];
3120:	foreach ($directClassNames as $directClassName) {
3121:	$thisTypes[] = new ObjectType($directClassName);
3122:	}
3123:	$thisType = TypeCombinator::union(...$thisTypes);
3124:	} else {
3125:	$thisType = $argValueType->getClassStringObjectType();
3126:	$scopeClasses = $thisType->getObjectClassNames();
3127:	}
3128:	}
3129:	$closureBindScope = $scope->enterClosureBind($thisType, $nativeThisType, $scopeClasses);
3130:	}
3131:	} else {
3132:	$throwPoints[] = ThrowPoint::createImplicit($scope, $expr);
3133:	}
3134:	}
3135:
3136:	if ($methodReflection !== null) {
3137:	$impurePoint = SimpleImpurePoint::createFromVariant($methodReflection, $parametersAcceptor);
3138:	if ($impurePoint !== null) {
3139:	$impurePoints[] = new ImpurePoint($scope, $expr, $impurePoint->getIdentifier(), $impurePoint->getDescription(), $impurePoint->isCertain());
3140:	}
3141:	} else {
3142:	$impurePoints[] = new ImpurePoint(
3143:	$scope,
3144:	$expr,
3145:	'methodCall',
3146:	'call to unknown method',
3147:	false,
3148:	);
3149:	}
3150:
3151:	if ($parametersAcceptor !== null) {
3152:	$expr = ArgumentsNormalizer::reorderStaticCallArguments($parametersAcceptor, $expr) ?? $expr;
3153:	$returnType = $parametersAcceptor->getReturnType();
3154:	$isAlwaysTerminating = $returnType instanceof NeverType && $returnType->isExplicit();
3155:	}
3156:	$result = $this->processArgs($stmt, $methodReflection, null, $parametersAcceptor, $expr, $scope, $nodeCallback, $context, $closureBindScope ?? null);
3157:	$scope = $result->getScope();
3158:	$scopeFunction = $scope->getFunction();
3159:
3160:	if (
3161:	$methodReflection !== null
3162:	&& (
3163:	$methodReflection->hasSideEffects()->yes()
3164:	\|\| (
3165:	!$methodReflection->isStatic()
3166:	&& $methodReflection->getName() === '__construct'
3167:	)
3168:	)
3169:	&& $scope->isInClass()
3170:	&& $scope->getClassReflection()->is($methodReflection->getDeclaringClass()->getName())
3171:	) {
3172:	$scope = $scope->invalidateExpression(new Variable('this'), true);
3173:	}
3174:
3175:	if (
3176:	$methodReflection !== null
3177:	&& !$methodReflection->isStatic()
3178:	&& $methodReflection->getName() === '__construct'
3179:	&& $scopeFunction instanceof MethodReflection
3180:	&& !$scopeFunction->isStatic()
3181:	&& $scope->isInClass()
3182:	&& $scope->getClassReflection()->isSubclassOfClass($methodReflection->getDeclaringClass())
3183:	) {
3184:	$thisType = $scope->getType(new Variable('this'));
3185:	$methodClassReflection = $methodReflection->getDeclaringClass();
3186:	foreach ($methodClassReflection->getNativeReflection()->getProperties(ReflectionProperty::IS_PUBLIC \| ReflectionProperty::IS_PROTECTED) as $property) {
3187:	if (!$property->isPromoted() \|\| $property->getDeclaringClass()->getName() !== $methodClassReflection->getName()) {
3188:	continue;
3189:	}
3190:
3191:	$scope = $scope->assignInitializedProperty($thisType, $property->getName());
3192:	}
3193:	}
3194:
3195:	$hasYield = $hasYield \|\| $result->hasYield();
3196:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3197:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3198:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3199:	} elseif ($expr instanceof PropertyFetch) {
3200:	$scopeBeforeVar = $scope;
3201:	$result = $this->processExprNode($stmt, $expr->var, $scope, $nodeCallback, $context->enterDeep());
3202:	$hasYield = $result->hasYield();
3203:	$throwPoints = $result->getThrowPoints();
3204:	$impurePoints = $result->getImpurePoints();
3205:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3206:	$scope = $result->getScope();
3207:	if ($expr->name instanceof Expr) {
3208:	$result = $this->processExprNode($stmt, $expr->name, $scope, $nodeCallback, $context->enterDeep());
3209:	$hasYield = $hasYield \|\| $result->hasYield();
3210:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3211:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3212:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3213:	$scope = $result->getScope();
3214:	if ($this->phpVersion->supportsPropertyHooks()) {
3215:	$throwPoints[] = ThrowPoint::createImplicit($scope, $expr);
3216:	}
3217:	} else {
3218:	$propertyName = $expr->name->toString();
3219:	$propertyHolderType = $scopeBeforeVar->getType($expr->var);
3220:	$propertyReflection = $scopeBeforeVar->getInstancePropertyReflection($propertyHolderType, $propertyName);
3221:	if ($propertyReflection !== null && $this->phpVersion->supportsPropertyHooks()) {
3222:	$propertyDeclaringClass = $propertyReflection->getDeclaringClass();
3223:	if ($propertyDeclaringClass->hasNativeProperty($propertyName)) {
3224:	$nativeProperty = $propertyDeclaringClass->getNativeProperty($propertyName);
3225:	$throwPoints = array_merge($throwPoints, $this->getPropertyReadThrowPointsFromGetHook($scopeBeforeVar, $expr, $nativeProperty));
3226:	}
3227:	}
3228:	}
3229:	} elseif ($expr instanceof Expr\NullsafePropertyFetch) {
3230:	$nonNullabilityResult = $this->ensureShallowNonNullability($scope, $scope, $expr->var);
3231:	$exprResult = $this->processExprNode($stmt, new PropertyFetch($expr->var, $expr->name, array_merge($expr->getAttributes(), ['virtualNullsafePropertyFetch' => true])), $nonNullabilityResult->getScope(), $nodeCallback, $context);
3232:	$scope = $this->revertNonNullability($exprResult->getScope(), $nonNullabilityResult->getSpecifiedExpressions());
3233:
3234:	return new ExpressionResult(
3235:	$scope,
3236:	$exprResult->hasYield(),
3237:	false,
3238:	$exprResult->getThrowPoints(),
3239:	$exprResult->getImpurePoints(),
3240:	static fn (): MutatingScope => $scope->filterByTruthyValue($expr),
3241:	static fn (): MutatingScope => $scope->filterByFalseyValue($expr),
3242:	);
3243:	} elseif ($expr instanceof StaticPropertyFetch) {
3244:	$hasYield = false;
3245:	$throwPoints = [];
3246:	$impurePoints = [
3247:	new ImpurePoint(
3248:	$scope,
3249:	$expr,
3250:	'staticPropertyAccess',
3251:	'static property access',
3252:	true,
3253:	),
3254:	];
3255:	$isAlwaysTerminating = false;
3256:	if ($expr->class instanceof Expr) {
3257:	$result = $this->processExprNode($stmt, $expr->class, $scope, $nodeCallback, $context->enterDeep());
3258:	$hasYield = $result->hasYield();
3259:	$throwPoints = $result->getThrowPoints();
3260:	$impurePoints = $result->getImpurePoints();
3261:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3262:	$scope = $result->getScope();
3263:	}
3264:	if ($expr->name instanceof Expr) {
3265:	$result = $this->processExprNode($stmt, $expr->name, $scope, $nodeCallback, $context->enterDeep());
3266:	$hasYield = $hasYield \|\| $result->hasYield();
3267:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3268:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3269:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3270:	$scope = $result->getScope();
3271:	}
3272:	} elseif ($expr instanceof Expr\Closure) {
3273:	$processClosureResult = $this->processClosureNode($stmt, $expr, $scope, $nodeCallback, $context, null);
3274:
3275:	return new ExpressionResult(
3276:	$processClosureResult->getScope(),
3277:	false,
3278:	false,
3279:	[],
3280:	[],
3281:	);
3282:	} elseif ($expr instanceof Expr\ArrowFunction) {
3283:	$result = $this->processArrowFunctionNode($stmt, $expr, $scope, $nodeCallback, null);
3284:	return new ExpressionResult(
3285:	$result->getScope(),
3286:	$result->hasYield(),
3287:	false,
3288:	[],
3289:	[],
3290:	);
3291:	} elseif ($expr instanceof ErrorSuppress) {
3292:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context);
3293:	$hasYield = $result->hasYield();
3294:	$throwPoints = $result->getThrowPoints();
3295:	$impurePoints = $result->getImpurePoints();
3296:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3297:	$scope = $result->getScope();
3298:	} elseif ($expr instanceof Exit_) {
3299:	$hasYield = false;
3300:	$throwPoints = [];
3301:	$kind = $expr->getAttribute('kind', Exit_::KIND_EXIT);
3302:	$identifier = $kind === Exit_::KIND_DIE ? 'die' : 'exit';
3303:	$impurePoints = [
3304:	new ImpurePoint($scope, $expr, $identifier, $identifier, true),
3305:	];
3306:	$isAlwaysTerminating = true;
3307:	if ($expr->expr !== null) {
3308:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context->enterDeep());
3309:	$hasYield = $result->hasYield();
3310:	$throwPoints = $result->getThrowPoints();
3311:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3312:	$scope = $result->getScope();
3313:	}
3314:	} elseif ($expr instanceof Node\Scalar\InterpolatedString) {
3315:	$hasYield = false;
3316:	$throwPoints = [];
3317:	$impurePoints = [];
3318:	$isAlwaysTerminating = false;
3319:	foreach ($expr->parts as $part) {
3320:	if (!$part instanceof Expr) {
3321:	continue;
3322:	}
3323:	$result = $this->processExprNode($stmt, $part, $scope, $nodeCallback, $context->enterDeep());
3324:	$hasYield = $hasYield \|\| $result->hasYield();
3325:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3326:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3327:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3328:	$scope = $result->getScope();
3329:	}
3330:	} elseif ($expr instanceof ArrayDimFetch) {
3331:	$hasYield = false;
3332:	$throwPoints = [];
3333:	$impurePoints = [];
3334:	$isAlwaysTerminating = false;
3335:	if ($expr->dim !== null) {
3336:	$result = $this->processExprNode($stmt, $expr->dim, $scope, $nodeCallback, $context->enterDeep());
3337:	$hasYield = $result->hasYield();
3338:	$throwPoints = $result->getThrowPoints();
3339:	$impurePoints = $result->getImpurePoints();
3340:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3341:	$scope = $result->getScope();
3342:	}
3343:
3344:	$result = $this->processExprNode($stmt, $expr->var, $scope, $nodeCallback, $context->enterDeep());
3345:	$hasYield = $hasYield \|\| $result->hasYield();
3346:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3347:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3348:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3349:	$scope = $result->getScope();
3350:	} elseif ($expr instanceof Array_) {
3351:	$itemNodes = [];
3352:	$hasYield = false;
3353:	$throwPoints = [];
3354:	$impurePoints = [];
3355:	$isAlwaysTerminating = false;
3356:	foreach ($expr->items as $arrayItem) {
3357:	$itemNodes[] = new LiteralArrayItem($scope, $arrayItem);
3358:	$nodeCallback($arrayItem, $scope);
3359:	if ($arrayItem->key !== null) {
3360:	$keyResult = $this->processExprNode($stmt, $arrayItem->key, $scope, $nodeCallback, $context->enterDeep());
3361:	$hasYield = $hasYield \|\| $keyResult->hasYield();
3362:	$throwPoints = array_merge($throwPoints, $keyResult->getThrowPoints());
3363:	$impurePoints = array_merge($impurePoints, $keyResult->getImpurePoints());
3364:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $keyResult->isAlwaysTerminating();
3365:	$scope = $keyResult->getScope();
3366:	}
3367:
3368:	$valueResult = $this->processExprNode($stmt, $arrayItem->value, $scope, $nodeCallback, $context->enterDeep());
3369:	$hasYield = $hasYield \|\| $valueResult->hasYield();
3370:	$throwPoints = array_merge($throwPoints, $valueResult->getThrowPoints());
3371:	$impurePoints = array_merge($impurePoints, $valueResult->getImpurePoints());
3372:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $valueResult->isAlwaysTerminating();
3373:	$scope = $valueResult->getScope();
3374:	}
3375:	$nodeCallback(new LiteralArrayNode($expr, $itemNodes), $scope);
3376:	} elseif ($expr instanceof BooleanAnd \|\| $expr instanceof BinaryOp\LogicalAnd) {
3377:	$leftResult = $this->processExprNode($stmt, $expr->left, $scope, $nodeCallback, $context->enterDeep());
3378:	$rightResult = $this->processExprNode($stmt, $expr->right, $leftResult->getTruthyScope(), $nodeCallback, $context);
3379:	$rightExprType = $rightResult->getScope()->getType($expr->right);
3380:	if ($rightExprType instanceof NeverType && $rightExprType->isExplicit()) {
3381:	$leftMergedWithRightScope = $leftResult->getFalseyScope();
3382:	} else {
3383:	$leftMergedWithRightScope = $leftResult->getScope()->mergeWith($rightResult->getScope());
3384:	}
3385:
3386:	$this->callNodeCallbackWithExpression($nodeCallback, new BooleanAndNode($expr, $leftResult->getTruthyScope()), $scope, $context);
3387:
3388:	return new ExpressionResult(
3389:	$leftMergedWithRightScope,
3390:	$leftResult->hasYield() \|\| $rightResult->hasYield(),
3391:	$leftResult->isAlwaysTerminating(),
3392:	array_merge($leftResult->getThrowPoints(), $rightResult->getThrowPoints()),
3393:	array_merge($leftResult->getImpurePoints(), $rightResult->getImpurePoints()),
3394:	static fn (): MutatingScope => $rightResult->getScope()->filterByTruthyValue($expr),
3395:	static fn (): MutatingScope => $leftMergedWithRightScope->filterByFalseyValue($expr),
3396:	);
3397:	} elseif ($expr instanceof BooleanOr \|\| $expr instanceof BinaryOp\LogicalOr) {
3398:	$leftResult = $this->processExprNode($stmt, $expr->left, $scope, $nodeCallback, $context->enterDeep());
3399:	$rightResult = $this->processExprNode($stmt, $expr->right, $leftResult->getFalseyScope(), $nodeCallback, $context);
3400:	$rightExprType = $rightResult->getScope()->getType($expr->right);
3401:	if ($rightExprType instanceof NeverType && $rightExprType->isExplicit()) {
3402:	$leftMergedWithRightScope = $leftResult->getTruthyScope();
3403:	} else {
3404:	$leftMergedWithRightScope = $leftResult->getScope()->mergeWith($rightResult->getScope());
3405:	}
3406:
3407:	$this->callNodeCallbackWithExpression($nodeCallback, new BooleanOrNode($expr, $leftResult->getFalseyScope()), $scope, $context);
3408:
3409:	return new ExpressionResult(
3410:	$leftMergedWithRightScope,
3411:	$leftResult->hasYield() \|\| $rightResult->hasYield(),
3412:	$leftResult->isAlwaysTerminating(),
3413:	array_merge($leftResult->getThrowPoints(), $rightResult->getThrowPoints()),
3414:	array_merge($leftResult->getImpurePoints(), $rightResult->getImpurePoints()),
3415:	static fn (): MutatingScope => $leftMergedWithRightScope->filterByTruthyValue($expr),
3416:	static fn (): MutatingScope => $rightResult->getScope()->filterByFalseyValue($expr),
3417:	);
3418:	} elseif ($expr instanceof Coalesce) {
3419:	$nonNullabilityResult = $this->ensureNonNullability($scope, $expr->left);
3420:	$condScope = $this->lookForSetAllowedUndefinedExpressions($nonNullabilityResult->getScope(), $expr->left);
3421:	$condResult = $this->processExprNode($stmt, $expr->left, $condScope, $nodeCallback, $context->enterDeep());
3422:	$scope = $this->revertNonNullability($condResult->getScope(), $nonNullabilityResult->getSpecifiedExpressions());
3423:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $expr->left);
3424:
3425:	$rightScope = $scope->filterByFalseyValue($expr);
3426:	$rightResult = $this->processExprNode($stmt, $expr->right, $rightScope, $nodeCallback, $context->enterDeep());
3427:	$rightExprType = $scope->getType($expr->right);
3428:	if ($rightExprType instanceof NeverType && $rightExprType->isExplicit()) {
3429:	$scope = $scope->filterByTruthyValue(new Expr\Isset_([$expr->left]));
3430:	} else {
3431:	$scope = $scope->filterByTruthyValue(new Expr\Isset_([$expr->left]))->mergeWith($rightResult->getScope());
3432:	}
3433:
3434:	$hasYield = $condResult->hasYield() \|\| $rightResult->hasYield();
3435:	$throwPoints = array_merge($condResult->getThrowPoints(), $rightResult->getThrowPoints());
3436:	$impurePoints = array_merge($condResult->getImpurePoints(), $rightResult->getImpurePoints());
3437:	$isAlwaysTerminating = $condResult->isAlwaysTerminating();
3438:	} elseif ($expr instanceof BinaryOp) {
3439:	$result = $this->processExprNode($stmt, $expr->left, $scope, $nodeCallback, $context->enterDeep());
3440:	$scope = $result->getScope();
3441:	$hasYield = $result->hasYield();
3442:	$throwPoints = $result->getThrowPoints();
3443:	$impurePoints = $result->getImpurePoints();
3444:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3445:	$result = $this->processExprNode($stmt, $expr->right, $scope, $nodeCallback, $context->enterDeep());
3446:	if (
3447:	($expr instanceof BinaryOp\Div \|\| $expr instanceof BinaryOp\Mod) &&
3448:	!$scope->getType($expr->right)->toNumber()->isSuperTypeOf(new ConstantIntegerType(0))->no()
3449:	) {
3450:	$throwPoints[] = ThrowPoint::createExplicit($scope, new ObjectType(DivisionByZeroError::class), $expr, false);
3451:	}
3452:	$scope = $result->getScope();
3453:	$hasYield = $hasYield \|\| $result->hasYield();
3454:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3455:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3456:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3457:	} elseif ($expr instanceof Expr\Include_) {
3458:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context->enterDeep());
3459:	$throwPoints = $result->getThrowPoints();
3460:	$throwPoints[] = ThrowPoint::createImplicit($scope, $expr);
3461:	$impurePoints = $result->getImpurePoints();
3462:	$impurePoints[] = new ImpurePoint(
3463:	$scope,
3464:	$expr,
3465:	in_array($expr->type, [Expr\Include_::TYPE_INCLUDE, Expr\Include_::TYPE_INCLUDE_ONCE], true) ? 'include' : 'require',
3466:	in_array($expr->type, [Expr\Include_::TYPE_INCLUDE, Expr\Include_::TYPE_INCLUDE_ONCE], true) ? 'include' : 'require',
3467:	true,
3468:	);
3469:	$hasYield = $result->hasYield();
3470:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3471:	$scope = $result->getScope()->afterExtractCall();
3472:	} elseif ($expr instanceof Expr\Print_) {
3473:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context->enterDeep());
3474:	$throwPoints = $result->getThrowPoints();
3475:	$impurePoints = $result->getImpurePoints();
3476:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3477:	$impurePoints[] = new ImpurePoint($scope, $expr, 'print', 'print', true);
3478:	$hasYield = $result->hasYield();
3479:
3480:	$scope = $result->getScope();
3481:	} elseif ($expr instanceof Cast\String_) {
3482:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context->enterDeep());
3483:	$throwPoints = $result->getThrowPoints();
3484:	$impurePoints = $result->getImpurePoints();
3485:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3486:	$hasYield = $result->hasYield();
3487:
3488:	$exprType = $scope->getType($expr->expr);
3489:	$toStringMethod = $scope->getMethodReflection($exprType, '__toString');
3490:	if ($toStringMethod !== null) {
3491:	if (!$toStringMethod->hasSideEffects()->no()) {
3492:	$impurePoints[] = new ImpurePoint(
3493:	$scope,
3494:	$expr,
3495:	'methodCall',
3496:	sprintf('call to method %s::%s()', $toStringMethod->getDeclaringClass()->getDisplayName(), $toStringMethod->getName()),
3497:	$toStringMethod->isPure()->no(),
3498:	);
3499:	}
3500:	}
3501:
3502:	$scope = $result->getScope();
3503:	} elseif (
3504:	$expr instanceof Expr\BitwiseNot
3505:	\|\| $expr instanceof Cast
3506:	\|\| $expr instanceof Expr\Clone_
3507:	\|\| $expr instanceof Expr\UnaryMinus
3508:	\|\| $expr instanceof Expr\UnaryPlus
3509:	) {
3510:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context->enterDeep());
3511:	$throwPoints = $result->getThrowPoints();
3512:	$impurePoints = $result->getImpurePoints();
3513:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3514:	$hasYield = $result->hasYield();
3515:
3516:	$scope = $result->getScope();
3517:	} elseif ($expr instanceof Expr\Eval_) {
3518:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context->enterDeep());
3519:	$throwPoints = $result->getThrowPoints();
3520:	$throwPoints[] = ThrowPoint::createImplicit($scope, $expr);
3521:	$impurePoints = $result->getImpurePoints();
3522:	$impurePoints[] = new ImpurePoint($scope, $expr, 'eval', 'eval', true);
3523:	$hasYield = $result->hasYield();
3524:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3525:
3526:	$scope = $result->getScope();
3527:	} elseif ($expr instanceof Expr\YieldFrom) {
3528:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context->enterDeep());
3529:	$throwPoints = $result->getThrowPoints();
3530:	$throwPoints[] = ThrowPoint::createImplicit($scope, $expr);
3531:	$impurePoints = $result->getImpurePoints();
3532:	$impurePoints[] = new ImpurePoint(
3533:	$scope,
3534:	$expr,
3535:	'yieldFrom',
3536:	'yield from',
3537:	true,
3538:	);
3539:	$hasYield = true;
3540:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3541:
3542:	$scope = $result->getScope();
3543:	} elseif ($expr instanceof BooleanNot) {
3544:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context->enterDeep());
3545:	$scope = $result->getScope();
3546:	$hasYield = $result->hasYield();
3547:	$throwPoints = $result->getThrowPoints();
3548:	$impurePoints = $result->getImpurePoints();
3549:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3550:	} elseif ($expr instanceof Expr\ClassConstFetch) {
3551:	$isAlwaysTerminating = false;
3552:
3553:	if ($expr->class instanceof Expr) {
3554:	$result = $this->processExprNode($stmt, $expr->class, $scope, $nodeCallback, $context->enterDeep());
3555:	$scope = $result->getScope();
3556:	$hasYield = $result->hasYield();
3557:	$throwPoints = $result->getThrowPoints();
3558:	$impurePoints = $result->getImpurePoints();
3559:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3560:	} else {
3561:	$hasYield = false;
3562:	$throwPoints = [];
3563:	$impurePoints = [];
3564:	$nodeCallback($expr->class, $scope);
3565:	}
3566:
3567:	if ($expr->name instanceof Expr) {
3568:	$result = $this->processExprNode($stmt, $expr->name, $scope, $nodeCallback, $context->enterDeep());
3569:	$scope = $result->getScope();
3570:	$hasYield = $hasYield \|\| $result->hasYield();
3571:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3572:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3573:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3574:	} else {
3575:	$nodeCallback($expr->name, $scope);
3576:	}
3577:	} elseif ($expr instanceof Expr\Empty_) {
3578:	$nonNullabilityResult = $this->ensureNonNullability($scope, $expr->expr);
3579:	$scope = $this->lookForSetAllowedUndefinedExpressions($nonNullabilityResult->getScope(), $expr->expr);
3580:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context->enterDeep());
3581:	$scope = $result->getScope();
3582:	$hasYield = $result->hasYield();
3583:	$throwPoints = $result->getThrowPoints();
3584:	$impurePoints = $result->getImpurePoints();
3585:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3586:	$scope = $this->revertNonNullability($scope, $nonNullabilityResult->getSpecifiedExpressions());
3587:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $expr->expr);
3588:	} elseif ($expr instanceof Expr\Isset_) {
3589:	$hasYield = false;
3590:	$throwPoints = [];
3591:	$impurePoints = [];
3592:	$nonNullabilityResults = [];
3593:	$isAlwaysTerminating = false;
3594:	foreach ($expr->vars as $var) {
3595:	$nonNullabilityResult = $this->ensureNonNullability($scope, $var);
3596:	$scope = $this->lookForSetAllowedUndefinedExpressions($nonNullabilityResult->getScope(), $var);
3597:	$result = $this->processExprNode($stmt, $var, $scope, $nodeCallback, $context->enterDeep());
3598:	$scope = $result->getScope();
3599:	$hasYield = $hasYield \|\| $result->hasYield();
3600:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3601:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3602:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3603:	$nonNullabilityResults[] = $nonNullabilityResult;
3604:	}
3605:	foreach (array_reverse($expr->vars) as $var) {
3606:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $var);
3607:	}
3608:	foreach (array_reverse($nonNullabilityResults) as $nonNullabilityResult) {
3609:	$scope = $this->revertNonNullability($scope, $nonNullabilityResult->getSpecifiedExpressions());
3610:	}
3611:	} elseif ($expr instanceof Instanceof_) {
3612:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, $context->enterDeep());
3613:	$scope = $result->getScope();
3614:	$hasYield = $result->hasYield();
3615:	$throwPoints = $result->getThrowPoints();
3616:	$impurePoints = $result->getImpurePoints();
3617:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3618:	if ($expr->class instanceof Expr) {
3619:	$result = $this->processExprNode($stmt, $expr->class, $scope, $nodeCallback, $context->enterDeep());
3620:	$scope = $result->getScope();
3621:	$hasYield = $hasYield \|\| $result->hasYield();
3622:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3623:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3624:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3625:	}
3626:	} elseif ($expr instanceof List_) {
3627:	// only in assign and foreach, processed elsewhere
3628:	return new ExpressionResult($scope, false, false, [], []);
3629:	} elseif ($expr instanceof New_) {
3630:	$parametersAcceptor = null;
3631:	$constructorReflection = null;
3632:	$hasYield = false;
3633:	$throwPoints = [];
3634:	$impurePoints = [];
3635:	$isAlwaysTerminating = false;
3636:	$className = null;
3637:	if ($expr->class instanceof Expr \|\| $expr->class instanceof Name) {
3638:	if ($expr->class instanceof Expr) {
3639:	$objectClasses = $scope->getType($expr)->getObjectClassNames();
3640:	if (count($objectClasses) === 1) {
3641:	$objectExprResult = $this->processExprNode($stmt, new New_(new Name($objectClasses[0])), $scope, static function (): void {
3642:	}, $context->enterDeep());
3643:	$className = $objectClasses[0];
3644:	$additionalThrowPoints = $objectExprResult->getThrowPoints();
3645:	} else {
3646:	$additionalThrowPoints = [ThrowPoint::createImplicit($scope, $expr)];
3647:	}
3648:
3649:	$result = $this->processExprNode($stmt, $expr->class, $scope, $nodeCallback, $context->enterDeep());
3650:	$scope = $result->getScope();
3651:	$hasYield = $result->hasYield();
3652:	$throwPoints = $result->getThrowPoints();
3653:	$impurePoints = $result->getImpurePoints();
3654:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3655:	foreach ($additionalThrowPoints as $throwPoint) {
3656:	$throwPoints[] = $throwPoint;
3657:	}
3658:	} else {
3659:	$className = $scope->resolveName($expr->class);
3660:	}
3661:
3662:	$classReflection = null;
3663:	if ($className !== null && $this->reflectionProvider->hasClass($className)) {
3664:	$classReflection = $this->reflectionProvider->getClass($className);
3665:	if ($classReflection->hasConstructor()) {
3666:	$constructorReflection = $classReflection->getConstructor();
3667:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
3668:	$scope,
3669:	$expr->getArgs(),
3670:	$constructorReflection->getVariants(),
3671:	$constructorReflection->getNamedArgumentsVariants(),
3672:	);
3673:	$constructorThrowPoint = $this->getConstructorThrowPoint($constructorReflection, $parametersAcceptor, $classReflection, $expr, new Name\FullyQualified($className), $expr->getArgs(), $scope);
3674:	if ($constructorThrowPoint !== null) {
3675:	$throwPoints[] = $constructorThrowPoint;
3676:	}
3677:	}
3678:	} else {
3679:	$throwPoints[] = ThrowPoint::createImplicit($scope, $expr);
3680:	}
3681:
3682:	if ($constructorReflection !== null) {
3683:	if (!$constructorReflection->hasSideEffects()->no()) {
3684:	$certain = $constructorReflection->isPure()->no();
3685:	$impurePoints[] = new ImpurePoint(
3686:	$scope,
3687:	$expr,
3688:	'new',
3689:	sprintf('instantiation of class %s', $constructorReflection->getDeclaringClass()->getDisplayName()),
3690:	$certain,
3691:	);
3692:	}
3693:	} elseif ($classReflection === null) {
3694:	$impurePoints[] = new ImpurePoint(
3695:	$scope,
3696:	$expr,
3697:	'new',
3698:	'instantiation of unknown class',
3699:	false,
3700:	);
3701:	}
3702:
3703:	if ($parametersAcceptor !== null) {
3704:	$expr = ArgumentsNormalizer::reorderNewArguments($parametersAcceptor, $expr) ?? $expr;
3705:	}
3706:
3707:	} else {
3708:	$classReflection = $this->reflectionProvider->getAnonymousClassReflection($expr->class, $scope); // populates $expr->class->name
3709:	$constructorResult = null;
3710:	$this->processStmtNode($expr->class, $scope, static function (Node $node, Scope $scope) use ($nodeCallback, $classReflection, &$constructorResult): void {
3711:	$nodeCallback($node, $scope);
3712:	if (!$node instanceof MethodReturnStatementsNode) {
3713:	return;
3714:	}
3715:	if ($constructorResult !== null) {
3716:	return;
3717:	}
3718:	$currentClassReflection = $node->getClassReflection();
3719:	if ($currentClassReflection->getName() !== $classReflection->getName()) {
3720:	return;
3721:	}
3722:	if (!$currentClassReflection->hasConstructor()) {
3723:	return;
3724:	}
3725:	if ($currentClassReflection->getConstructor()->getName() !== $node->getMethodReflection()->getName()) {
3726:	return;
3727:	}
3728:	$constructorResult = $node;
3729:	}, StatementContext::createTopLevel());
3730:	if ($constructorResult !== null) {
3731:	$throwPoints = array_merge($throwPoints, $constructorResult->getStatementResult()->getThrowPoints());
3732:	$impurePoints = array_merge($impurePoints, $constructorResult->getImpurePoints());
3733:	}
3734:	if ($classReflection->hasConstructor()) {
3735:	$constructorReflection = $classReflection->getConstructor();
3736:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
3737:	$scope,
3738:	$expr->getArgs(),
3739:	$constructorReflection->getVariants(),
3740:	$constructorReflection->getNamedArgumentsVariants(),
3741:	);
3742:	}
3743:	}
3744:
3745:	$result = $this->processArgs($stmt, $constructorReflection, null, $parametersAcceptor, $expr, $scope, $nodeCallback, $context);
3746:	$scope = $result->getScope();
3747:	$hasYield = $hasYield \|\| $result->hasYield();
3748:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3749:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3750:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3751:	} elseif (
3752:	$expr instanceof Expr\PreInc
3753:	\|\| $expr instanceof Expr\PostInc
3754:	\|\| $expr instanceof Expr\PreDec
3755:	\|\| $expr instanceof Expr\PostDec
3756:	) {
3757:	$result = $this->processExprNode($stmt, $expr->var, $scope, $nodeCallback, $context->enterDeep());
3758:	$scope = $result->getScope();
3759:	$hasYield = $result->hasYield();
3760:	$throwPoints = $result->getThrowPoints();
3761:	$impurePoints = $result->getImpurePoints();
3762:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3763:
3764:	$newExpr = $expr;
3765:	if ($expr instanceof Expr\PostInc) {
3766:	$newExpr = new Expr\PreInc($expr->var);
3767:	} elseif ($expr instanceof Expr\PostDec) {
3768:	$newExpr = new Expr\PreDec($expr->var);
3769:	}
3770:
3771:	$scope = $this->processAssignVar(
3772:	$scope,
3773:	$stmt,
3774:	$expr->var,
3775:	$newExpr,
3776:	static function (Node $node, Scope $scope) use ($nodeCallback): void {
3777:	if (!$node instanceof PropertyAssignNode && !$node instanceof VariableAssignNode) {
3778:	return;
3779:	}
3780:
3781:	$nodeCallback($node, $scope);
3782:	},
3783:	$context,
3784:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
3785:	false,
3786:	)->getScope();
3787:	} elseif ($expr instanceof Ternary) {
3788:	$ternaryCondResult = $this->processExprNode($stmt, $expr->cond, $scope, $nodeCallback, $context->enterDeep());
3789:	$throwPoints = $ternaryCondResult->getThrowPoints();
3790:	$impurePoints = $ternaryCondResult->getImpurePoints();
3791:	$isAlwaysTerminating = $ternaryCondResult->isAlwaysTerminating();
3792:	$ifTrueScope = $ternaryCondResult->getTruthyScope();
3793:	$ifFalseScope = $ternaryCondResult->getFalseyScope();
3794:	$ifTrueType = null;
3795:	if ($expr->if !== null) {
3796:	$ifResult = $this->processExprNode($stmt, $expr->if, $ifTrueScope, $nodeCallback, $context);
3797:	$throwPoints = array_merge($throwPoints, $ifResult->getThrowPoints());
3798:	$impurePoints = array_merge($impurePoints, $ifResult->getImpurePoints());
3799:	$ifTrueScope = $ifResult->getScope();
3800:	$ifTrueType = $ifTrueScope->getType($expr->if);
3801:	}
3802:
3803:	$elseResult = $this->processExprNode($stmt, $expr->else, $ifFalseScope, $nodeCallback, $context);
3804:	$throwPoints = array_merge($throwPoints, $elseResult->getThrowPoints());
3805:	$impurePoints = array_merge($impurePoints, $elseResult->getImpurePoints());
3806:	$ifFalseScope = $elseResult->getScope();
3807:
3808:	$condType = $scope->getType($expr->cond);
3809:	if ($condType->isTrue()->yes()) {
3810:	$finalScope = $ifTrueScope;
3811:	} elseif ($condType->isFalse()->yes()) {
3812:	$finalScope = $ifFalseScope;
3813:	} else {
3814:	if ($ifTrueType instanceof NeverType && $ifTrueType->isExplicit()) {
3815:	$finalScope = $ifFalseScope;
3816:	} else {
3817:	$ifFalseType = $ifFalseScope->getType($expr->else);
3818:
3819:	if ($ifFalseType instanceof NeverType && $ifFalseType->isExplicit()) {
3820:	$finalScope = $ifTrueScope;
3821:	} else {
3822:	$finalScope = $ifTrueScope->mergeWith($ifFalseScope);
3823:	}
3824:	}
3825:	}
3826:
3827:	return new ExpressionResult(
3828:	$finalScope,
3829:	$ternaryCondResult->hasYield(),
3830:	$isAlwaysTerminating,
3831:	$throwPoints,
3832:	$impurePoints,
3833:	static fn (): MutatingScope => $finalScope->filterByTruthyValue($expr),
3834:	static fn (): MutatingScope => $finalScope->filterByFalseyValue($expr),
3835:	);
3836:
3837:	} elseif ($expr instanceof Expr\Yield_) {
3838:	$throwPoints = [
3839:	ThrowPoint::createImplicit($scope, $expr),
3840:	];
3841:	$impurePoints = [
3842:	new ImpurePoint(
3843:	$scope,
3844:	$expr,
3845:	'yield',
3846:	'yield',
3847:	true,
3848:	),
3849:	];
3850:	$isAlwaysTerminating = false;
3851:	if ($expr->key !== null) {
3852:	$keyResult = $this->processExprNode($stmt, $expr->key, $scope, $nodeCallback, $context->enterDeep());
3853:	$scope = $keyResult->getScope();
3854:	$throwPoints = $keyResult->getThrowPoints();
3855:	$impurePoints = array_merge($impurePoints, $keyResult->getImpurePoints());
3856:	$isAlwaysTerminating = $keyResult->isAlwaysTerminating();
3857:	}
3858:	if ($expr->value !== null) {
3859:	$valueResult = $this->processExprNode($stmt, $expr->value, $scope, $nodeCallback, $context->enterDeep());
3860:	$scope = $valueResult->getScope();
3861:	$throwPoints = array_merge($throwPoints, $valueResult->getThrowPoints());
3862:	$impurePoints = array_merge($impurePoints, $valueResult->getImpurePoints());
3863:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $valueResult->isAlwaysTerminating();
3864:	}
3865:	$hasYield = true;
3866:	} elseif ($expr instanceof Expr\Match_) {
3867:	$deepContext = $context->enterDeep();
3868:	$condType = $scope->getType($expr->cond);
3869:	$condResult = $this->processExprNode($stmt, $expr->cond, $scope, $nodeCallback, $deepContext);
3870:	$scope = $condResult->getScope();
3871:	$hasYield = $condResult->hasYield();
3872:	$throwPoints = $condResult->getThrowPoints();
3873:	$impurePoints = $condResult->getImpurePoints();
3874:	$isAlwaysTerminating = $condResult->isAlwaysTerminating();
3875:	$matchScope = $scope->enterMatch($expr);
3876:	$armNodes = [];
3877:	$hasDefaultCond = false;
3878:	$hasAlwaysTrueCond = false;
3879:	$arms = $expr->arms;
3880:	if ($condType->isEnum()->yes()) {
3881:	// enum match analysis would work even without this if branch
3882:	// but would be much slower
3883:	// this avoids using ObjectType::$subtractedType which is slow for huge enums
3884:	// because of repeated union type normalization
3885:	$enumCases = $condType->getEnumCases();
3886:	if (count($enumCases) > 0) {
3887:	$indexedEnumCases = [];
3888:	foreach ($enumCases as $enumCase) {
3889:	$indexedEnumCases[strtolower($enumCase->getClassName())][$enumCase->getEnumCaseName()] = $enumCase;
3890:	}
3891:	$unusedIndexedEnumCases = $indexedEnumCases;
3892:	foreach ($arms as $i => $arm) {
3893:	if ($arm->conds === null) {
3894:	continue;
3895:	}
3896:
3897:	$condNodes = [];
3898:	$conditionCases = [];
3899:	$conditionExprs = [];
3900:	foreach ($arm->conds as $cond) {
3901:	if (!$cond instanceof Expr\ClassConstFetch) {
3902:	continue 2;
3903:	}
3904:	if (!$cond->class instanceof Name) {
3905:	continue 2;
3906:	}
3907:	if (!$cond->name instanceof Node\Identifier) {
3908:	continue 2;
3909:	}
3910:	$fetchedClassName = $scope->resolveName($cond->class);
3911:	$loweredFetchedClassName = strtolower($fetchedClassName);
3912:	if (!array_key_exists($loweredFetchedClassName, $indexedEnumCases)) {
3913:	continue 2;
3914:	}
3915:
3916:	if (!array_key_exists($loweredFetchedClassName, $unusedIndexedEnumCases)) {
3917:	throw new ShouldNotHappenException();
3918:	}
3919:
3920:	$caseName = $cond->name->toString();
3921:	if (!array_key_exists($caseName, $indexedEnumCases[$loweredFetchedClassName])) {
3922:	continue 2;
3923:	}
3924:
3925:	$enumCase = $indexedEnumCases[$loweredFetchedClassName][$caseName];
3926:	$conditionCases[] = $enumCase;
3927:	$armConditionScope = $matchScope;
3928:	if (!array_key_exists($caseName, $unusedIndexedEnumCases[$loweredFetchedClassName])) {
3929:	// force "always false"
3930:	$armConditionScope = $armConditionScope->removeTypeFromExpression(
3931:	$expr->cond,
3932:	$enumCase,
3933:	);
3934:	} else {
3935:	$unusedCasesCount = 0;
3936:	foreach ($unusedIndexedEnumCases as $cases) {
3937:	$unusedCasesCount += count($cases);
3938:	}
3939:	if ($unusedCasesCount === 1) {
3940:	$hasAlwaysTrueCond = true;
3941:
3942:	// force "always true"
3943:	$armConditionScope = $armConditionScope->addTypeToExpression(
3944:	$expr->cond,
3945:	$enumCase,
3946:	);
3947:	}
3948:	}
3949:
3950:	$this->processExprNode($stmt, $cond, $armConditionScope, $nodeCallback, $deepContext);
3951:
3952:	$condNodes[] = new MatchExpressionArmCondition(
3953:	$cond,
3954:	$armConditionScope,
3955:	$cond->getStartLine(),
3956:	);
3957:	$conditionExprs[] = $cond;
3958:
3959:	unset($unusedIndexedEnumCases[$loweredFetchedClassName][$caseName]);
3960:	}
3961:
3962:	$conditionCasesCount = count($conditionCases);
3963:	if ($conditionCasesCount === 0) {
3964:	throw new ShouldNotHappenException();
3965:	} elseif ($conditionCasesCount === 1) {
3966:	$conditionCaseType = $conditionCases[0];
3967:	} else {
3968:	$conditionCaseType = new UnionType($conditionCases);
3969:	}
3970:
3971:	$filteringExpr = $this->getFilteringExprForMatchArm($expr, $conditionExprs);
3972:	$matchArmBodyScope = $matchScope->addTypeToExpression(
3973:	$expr->cond,
3974:	$conditionCaseType,
3975:	)->filterByTruthyValue($filteringExpr);
3976:	$matchArmBody = new MatchExpressionArmBody($matchArmBodyScope, $arm->body);
3977:	$armNodes[$i] = new MatchExpressionArm($matchArmBody, $condNodes, $arm->getStartLine());
3978:
3979:	$armResult = $this->processExprNode(
3980:	$stmt,
3981:	$arm->body,
3982:	$matchArmBodyScope,
3983:	$nodeCallback,
3984:	ExpressionContext::createTopLevel(),
3985:	);
3986:	$armScope = $armResult->getScope();
3987:	$scope = $scope->mergeWith($armScope);
3988:	$hasYield = $hasYield \|\| $armResult->hasYield();
3989:	$throwPoints = array_merge($throwPoints, $armResult->getThrowPoints());
3990:	$impurePoints = array_merge($impurePoints, $armResult->getImpurePoints());
3991:
3992:	unset($arms[$i]);
3993:	}
3994:
3995:	$remainingCases = [];
3996:	foreach ($unusedIndexedEnumCases as $cases) {
3997:	foreach ($cases as $case) {
3998:	$remainingCases[] = $case;
3999:	}
4000:	}
4001:
4002:	$remainingCasesCount = count($remainingCases);
4003:	if ($remainingCasesCount === 0) {
4004:	$remainingType = new NeverType();
4005:	} elseif ($remainingCasesCount === 1) {
4006:	$remainingType = $remainingCases[0];
4007:	} else {
4008:	$remainingType = new UnionType($remainingCases);
4009:	}
4010:
4011:	$matchScope = $matchScope->addTypeToExpression($expr->cond, $remainingType);
4012:	}
4013:	}
4014:	foreach ($arms as $i => $arm) {
4015:	if ($arm->conds === null) {
4016:	$hasDefaultCond = true;
4017:	$matchArmBody = new MatchExpressionArmBody($matchScope, $arm->body);
4018:	$armNodes[$i] = new MatchExpressionArm($matchArmBody, [], $arm->getStartLine());
4019:	$armResult = $this->processExprNode($stmt, $arm->body, $matchScope, $nodeCallback, ExpressionContext::createTopLevel());
4020:	$matchScope = $armResult->getScope();
4021:	$hasYield = $hasYield \|\| $armResult->hasYield();
4022:	$throwPoints = array_merge($throwPoints, $armResult->getThrowPoints());
4023:	$impurePoints = array_merge($impurePoints, $armResult->getImpurePoints());
4024:	$scope = $scope->mergeWith($matchScope);
4025:	continue;
4026:	}
4027:
4028:	if (count($arm->conds) === 0) {
4029:	throw new ShouldNotHappenException();
4030:	}
4031:
4032:	$filteringExprs = [];
4033:	$armCondScope = $matchScope;
4034:	$condNodes = [];
4035:	foreach ($arm->conds as $armCond) {
4036:	$condNodes[] = new MatchExpressionArmCondition($armCond, $armCondScope, $armCond->getStartLine());
4037:	$armCondResult = $this->processExprNode($stmt, $armCond, $armCondScope, $nodeCallback, $deepContext);
4038:	$hasYield = $hasYield \|\| $armCondResult->hasYield();
4039:	$throwPoints = array_merge($throwPoints, $armCondResult->getThrowPoints());
4040:	$impurePoints = array_merge($impurePoints, $armCondResult->getImpurePoints());
4041:	$armCondExpr = new BinaryOp\Identical($expr->cond, $armCond);
4042:	$armCondResultScope = $armCondResult->getScope();
4043:	$armCondType = $this->treatPhpDocTypesAsCertain ? $armCondResultScope->getType($armCondExpr) : $armCondResultScope->getNativeType($armCondExpr);
4044:	if ($armCondType->isTrue()->yes()) {
4045:	$hasAlwaysTrueCond = true;
4046:	}
4047:	$armCondScope = $armCondResult->getScope()->filterByFalseyValue($armCondExpr);
4048:	$filteringExprs[] = $armCond;
4049:	}
4050:
4051:	$filteringExpr = $this->getFilteringExprForMatchArm($expr, $filteringExprs);
4052:
4053:	$bodyScope = $this->processExprNode($stmt, $filteringExpr, $matchScope, static function (): void {
4054:	}, $deepContext)->getTruthyScope();
4055:	$matchArmBody = new MatchExpressionArmBody($bodyScope, $arm->body);
4056:	$armNodes[$i] = new MatchExpressionArm($matchArmBody, $condNodes, $arm->getStartLine());
4057:
4058:	$armResult = $this->processExprNode(
4059:	$stmt,
4060:	$arm->body,
4061:	$bodyScope,
4062:	$nodeCallback,
4063:	ExpressionContext::createTopLevel(),
4064:	);
4065:	$armScope = $armResult->getScope();
4066:	$scope = $scope->mergeWith($armScope);
4067:	$hasYield = $hasYield \|\| $armResult->hasYield();
4068:	$throwPoints = array_merge($throwPoints, $armResult->getThrowPoints());
4069:	$impurePoints = array_merge($impurePoints, $armResult->getImpurePoints());
4070:	$matchScope = $matchScope->filterByFalseyValue($filteringExpr);
4071:	}
4072:
4073:	$remainingType = $matchScope->getType($expr->cond);
4074:	if (!$hasDefaultCond && !$hasAlwaysTrueCond && !$remainingType instanceof NeverType) {
4075:	$throwPoints[] = ThrowPoint::createExplicit($scope, new ObjectType(UnhandledMatchError::class), $expr, false);
4076:	}
4077:
4078:	ksort($armNodes, SORT_NUMERIC);
4079:
4080:	$nodeCallback(new MatchExpressionNode($expr->cond, array_values($armNodes), $expr, $matchScope), $scope);
4081:	} elseif ($expr instanceof AlwaysRememberedExpr) {
4082:	$result = $this->processExprNode($stmt, $expr->getExpr(), $scope, $nodeCallback, $context);
4083:	$hasYield = $result->hasYield();
4084:	$throwPoints = $result->getThrowPoints();
4085:	$impurePoints = $result->getImpurePoints();
4086:	$isAlwaysTerminating = $result->isAlwaysTerminating();
4087:	$scope = $result->getScope();
4088:	} elseif ($expr instanceof Expr\Throw_) {
4089:	$hasYield = false;
4090:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $nodeCallback, ExpressionContext::createDeep());
4091:	$throwPoints = $result->getThrowPoints();
4092:	$impurePoints = $result->getImpurePoints();
4093:	$isAlwaysTerminating = $result->isAlwaysTerminating();
4094:	$throwPoints[] = ThrowPoint::createExplicit($scope, $scope->getType($expr->expr), $expr, false);
4095:	} elseif ($expr instanceof FunctionCallableNode) {
4096:	$throwPoints = [];
4097:	$impurePoints = [];
4098:	$hasYield = false;
4099:	$isAlwaysTerminating = false;
4100:	if ($expr->getName() instanceof Expr) {
4101:	$result = $this->processExprNode($stmt, $expr->getName(), $scope, $nodeCallback, ExpressionContext::createDeep());
4102:	$scope = $result->getScope();
4103:	$hasYield = $result->hasYield();
4104:	$throwPoints = $result->getThrowPoints();
4105:	$impurePoints = $result->getImpurePoints();
4106:	$isAlwaysTerminating = $result->isAlwaysTerminating();
4107:	}
4108:	} elseif ($expr instanceof MethodCallableNode) {
4109:	$result = $this->processExprNode($stmt, $expr->getVar(), $scope, $nodeCallback, ExpressionContext::createDeep());
4110:	$scope = $result->getScope();
4111:	$hasYield = $result->hasYield();
4112:	$throwPoints = $result->getThrowPoints();
4113:	$impurePoints = $result->getImpurePoints();
4114:	$isAlwaysTerminating = false;
4115:	if ($expr->getName() instanceof Expr) {
4116:	$nameResult = $this->processExprNode($stmt, $expr->getVar(), $scope, $nodeCallback, ExpressionContext::createDeep());
4117:	$scope = $nameResult->getScope();
4118:	$hasYield = $hasYield \|\| $nameResult->hasYield();
4119:	$throwPoints = array_merge($throwPoints, $nameResult->getThrowPoints());
4120:	$impurePoints = array_merge($impurePoints, $nameResult->getImpurePoints());
4121:	$isAlwaysTerminating = $nameResult->isAlwaysTerminating();
4122:	}
4123:	} elseif ($expr instanceof StaticMethodCallableNode) {
4124:	$throwPoints = [];
4125:	$impurePoints = [];
4126:	$hasYield = false;
4127:	$isAlwaysTerminating = false;
4128:	if ($expr->getClass() instanceof Expr) {
4129:	$classResult = $this->processExprNode($stmt, $expr->getClass(), $scope, $nodeCallback, ExpressionContext::createDeep());
4130:	$scope = $classResult->getScope();
4131:	$hasYield = $classResult->hasYield();
4132:	$throwPoints = $classResult->getThrowPoints();
4133:	$impurePoints = $classResult->getImpurePoints();
4134:	$isAlwaysTerminating = $classResult->isAlwaysTerminating();
4135:	}
4136:	if ($expr->getName() instanceof Expr) {
4137:	$nameResult = $this->processExprNode($stmt, $expr->getName(), $scope, $nodeCallback, ExpressionContext::createDeep());
4138:	$scope = $nameResult->getScope();
4139:	$hasYield = $hasYield \|\| $nameResult->hasYield();
4140:	$throwPoints = array_merge($throwPoints, $nameResult->getThrowPoints());
4141:	$impurePoints = array_merge($impurePoints, $nameResult->getImpurePoints());
4142:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $nameResult->isAlwaysTerminating();
4143:	}
4144:	} elseif ($expr instanceof InstantiationCallableNode) {
4145:	$throwPoints = [];
4146:	$impurePoints = [];
4147:	$hasYield = false;
4148:	$isAlwaysTerminating = false;
4149:	if ($expr->getClass() instanceof Expr) {
4150:	$classResult = $this->processExprNode($stmt, $expr->getClass(), $scope, $nodeCallback, ExpressionContext::createDeep());
4151:	$scope = $classResult->getScope();
4152:	$hasYield = $classResult->hasYield();
4153:	$throwPoints = $classResult->getThrowPoints();
4154:	$impurePoints = $classResult->getImpurePoints();
4155:	$isAlwaysTerminating = $classResult->isAlwaysTerminating();
4156:	}
4157:	} elseif ($expr instanceof Node\Scalar) {
4158:	$hasYield = false;
4159:	$throwPoints = [];
4160:	$impurePoints = [];
4161:	$isAlwaysTerminating = false;
4162:	} elseif ($expr instanceof ConstFetch) {
4163:	$hasYield = false;
4164:	$throwPoints = [];
4165:	$impurePoints = [];
4166:	$isAlwaysTerminating = false;
4167:	$nodeCallback($expr->name, $scope);
4168:	} else {
4169:	$hasYield = false;
4170:	$throwPoints = [];
4171:	$impurePoints = [];
4172:	$isAlwaysTerminating = false;
4173:	}
4174:
4175:	return new ExpressionResult(
4176:	$scope,
4177:	$hasYield,
4178:	$isAlwaysTerminating,
4179:	$throwPoints,
4180:	$impurePoints,
4181:	static fn (): MutatingScope => $scope->filterByTruthyValue($expr),
4182:	static fn (): MutatingScope => $scope->filterByFalseyValue($expr),
4183:	);
4184:	}
4185:
4186:	private function getArrayFunctionAppendingType(FunctionReflection $functionReflection, Scope $scope, FuncCall $expr): Type
4187:	{
4188:	$arrayArg = $expr->getArgs()[0]->value;
4189:	$arrayType = $scope->getType($arrayArg);
4190:	$callArgs = array_slice($expr->getArgs(), 1);
4191:
4192:	/**
4193:	* @param Arg[] $callArgs
4194:	* @param callable(?Type, Type, bool): void $setOffsetValueType
4195:	*/
4196:	$setOffsetValueTypes = static function (Scope $scope, array $callArgs, callable $setOffsetValueType, ?bool &$nonConstantArrayWasUnpacked = null): void {
4197:	foreach ($callArgs as $callArg) {
4198:	$callArgType = $scope->getType($callArg->value);
4199:	if ($callArg->unpack) {
4200:	$constantArrays = $callArgType->getConstantArrays();
4201:	if (count($constantArrays) === 1) {
4202:	$iterableValueTypes = $constantArrays[0]->getValueTypes();
4203:	} else {
4204:	$iterableValueTypes = [$callArgType->getIterableValueType()];
4205:	$nonConstantArrayWasUnpacked = true;
4206:	}
4207:
4208:	$isOptional = !$callArgType->isIterableAtLeastOnce()->yes();
4209:	foreach ($iterableValueTypes as $iterableValueType) {
4210:	if ($iterableValueType instanceof UnionType) {
4211:	foreach ($iterableValueType->getTypes() as $innerType) {
4212:	$setOffsetValueType(null, $innerType, $isOptional);
4213:	}
4214:	} else {
4215:	$setOffsetValueType(null, $iterableValueType, $isOptional);
4216:	}
4217:	}
4218:	continue;
4219:	}
4220:	$setOffsetValueType(null, $callArgType, false);
4221:	}
4222:	};
4223:
4224:	$constantArrays = $arrayType->getConstantArrays();
4225:	if (count($constantArrays) > 0) {
4226:	$newArrayTypes = [];
4227:	$prepend = $functionReflection->getName() === 'array_unshift';
4228:	foreach ($constantArrays as $constantArray) {
4229:	$arrayTypeBuilder = $prepend ? ConstantArrayTypeBuilder::createEmpty() : ConstantArrayTypeBuilder::createFromConstantArray($constantArray);
4230:
4231:	$setOffsetValueTypes(
4232:	$scope,
4233:	$callArgs,
4234:	static function (?Type $offsetType, Type $valueType, bool $optional) use (&$arrayTypeBuilder): void {
4235:	$arrayTypeBuilder->setOffsetValueType($offsetType, $valueType, $optional);
4236:	},
4237:	$nonConstantArrayWasUnpacked,
4238:	);
4239:
4240:	if ($prepend) {
4241:	$keyTypes = $constantArray->getKeyTypes();
4242:	$valueTypes = $constantArray->getValueTypes();
4243:	foreach ($keyTypes as $k => $keyType) {
4244:	$arrayTypeBuilder->setOffsetValueType(
4245:	count($keyType->getConstantStrings()) === 1 ? $keyType->getConstantStrings()[0] : null,
4246:	$valueTypes[$k],
4247:	$constantArray->isOptionalKey($k),
4248:	);
4249:	}
4250:	}
4251:
4252:	$constantArray = $arrayTypeBuilder->getArray();
4253:
4254:	if ($constantArray->isConstantArray()->yes() && $nonConstantArrayWasUnpacked) {
4255:	$array = new ArrayType($constantArray->generalize(GeneralizePrecision::lessSpecific())->getIterableKeyType(), $constantArray->getIterableValueType());
4256:	$isList = $constantArray->isList()->yes();
4257:	$constantArray = $constantArray->isIterableAtLeastOnce()->yes()
4258:	? TypeCombinator::intersect($array, new NonEmptyArrayType())
4259:	: $array;
4260:	$constantArray = $isList
4261:	? TypeCombinator::intersect($constantArray, new AccessoryArrayListType())
4262:	: $constantArray;
4263:	}
4264:
4265:	$newArrayTypes[] = $constantArray;
4266:	}
4267:
4268:	return TypeCombinator::union(...$newArrayTypes);
4269:	}
4270:
4271:	$setOffsetValueTypes(
4272:	$scope,
4273:	$callArgs,
4274:	static function (?Type $offsetType, Type $valueType, bool $optional) use (&$arrayType): void {
4275:	$isIterableAtLeastOnce = $arrayType->isIterableAtLeastOnce()->yes() \|\| !$optional;
4276:	$arrayType = $arrayType->setOffsetValueType($offsetType, $valueType);
4277:	if ($isIterableAtLeastOnce) {
4278:	return;
4279:	}
4280:
4281:	$arrayType = TypeCombinator::union($arrayType, new ConstantArrayType([], []));
4282:	},
4283:	);
4284:
4285:	return $arrayType;
4286:	}
4287:
4288:	private function getArraySortPreserveListFunctionType(Type $type): Type
4289:	{
4290:	$isIterableAtLeastOnce = $type->isIterableAtLeastOnce();
4291:	if ($isIterableAtLeastOnce->no()) {
4292:	return $type;
4293:	}
4294:
4295:	return TypeTraverser::map($type, static function (Type $type, callable $traverse) use ($isIterableAtLeastOnce): Type {
4296:	if ($type instanceof UnionType \|\| $type instanceof IntersectionType) {
4297:	return $traverse($type);
4298:	}
4299:
4300:	if (!$type instanceof ArrayType && !$type instanceof ConstantArrayType) {
4301:	return $type;
4302:	}
4303:
4304:	$newArrayType = TypeCombinator::intersect(new ArrayType(new IntegerType(), $type->getIterableValueType()), new AccessoryArrayListType());
4305:	if ($isIterableAtLeastOnce->yes()) {
4306:	$newArrayType = TypeCombinator::intersect($newArrayType, new NonEmptyArrayType());
4307:	}
4308:
4309:	return $newArrayType;
4310:	});
4311:	}
4312:
4313:	private function getArraySortDoNotPreserveListFunctionType(Type $type): Type
4314:	{
4315:	$isIterableAtLeastOnce = $type->isIterableAtLeastOnce();
4316:	if ($isIterableAtLeastOnce->no()) {
4317:	return $type;
4318:	}
4319:
4320:	return TypeTraverser::map($type, static function (Type $type, callable $traverse) use ($isIterableAtLeastOnce): Type {
4321:	if ($type instanceof UnionType) {
4322:	return $traverse($type);
4323:	}
4324:
4325:	$constantArrays = $type->getConstantArrays();
4326:	if (count($constantArrays) > 0) {
4327:	$types = [];
4328:	foreach ($constantArrays as $constantArray) {
4329:	$types[] = new ConstantArrayType(
4330:	$constantArray->getKeyTypes(),
4331:	$constantArray->getValueTypes(),
4332:	$constantArray->getNextAutoIndexes(),
4333:	$constantArray->getOptionalKeys(),
4334:	$constantArray->isList()->and(TrinaryLogic::createMaybe()),
4335:	);
4336:	}
4337:
4338:	return TypeCombinator::union(...$types);
4339:	}
4340:
4341:	$newArrayType = new ArrayType($type->getIterableKeyType(), $type->getIterableValueType());
4342:	if ($isIterableAtLeastOnce->yes()) {
4343:	$newArrayType = TypeCombinator::intersect($newArrayType, new NonEmptyArrayType());
4344:	}
4345:
4346:	return $newArrayType;
4347:	});
4348:	}
4349:
4350:	private function getFunctionThrowPoint(
4351:	FunctionReflection $functionReflection,
4352:	?ParametersAcceptor $parametersAcceptor,
4353:	FuncCall $funcCall,
4354:	MutatingScope $scope,
4355:	): ?ThrowPoint
4356:	{
4357:	$normalizedFuncCall = $funcCall;
4358:	if ($parametersAcceptor !== null) {
4359:	$normalizedFuncCall = ArgumentsNormalizer::reorderFuncArguments($parametersAcceptor, $funcCall);
4360:	}
4361:
4362:	if ($normalizedFuncCall !== null) {
4363:	foreach ($this->dynamicThrowTypeExtensionProvider->getDynamicFunctionThrowTypeExtensions() as $extension) {
4364:	if (!$extension->isFunctionSupported($functionReflection)) {
4365:	continue;
4366:	}
4367:
4368:	$throwType = $extension->getThrowTypeFromFunctionCall($functionReflection, $normalizedFuncCall, $scope);
4369:	if ($throwType === null) {
4370:	return null;
4371:	}
4372:
4373:	return ThrowPoint::createExplicit($scope, $throwType, $funcCall, false);
4374:	}
4375:	}
4376:
4377:	$throwType = $functionReflection->getThrowType();
4378:	if ($throwType === null && $parametersAcceptor !== null) {
4379:	$returnType = $parametersAcceptor->getReturnType();
4380:	if ($returnType instanceof NeverType && $returnType->isExplicit()) {
4381:	$throwType = new ObjectType(Throwable::class);
4382:	}
4383:	}
4384:
4385:	if ($throwType !== null) {
4386:	if (!$throwType->isVoid()->yes()) {
4387:	return ThrowPoint::createExplicit($scope, $throwType, $funcCall, true);
4388:	}
4389:	} elseif ($this->implicitThrows) {
4390:	$requiredParameters = null;
4391:	if ($parametersAcceptor !== null) {
4392:	$requiredParameters = 0;
4393:	foreach ($parametersAcceptor->getParameters() as $parameter) {
4394:	if ($parameter->isOptional()) {
4395:	continue;
4396:	}
4397:
4398:	$requiredParameters++;
4399:	}
4400:	}
4401:	if (
4402:	!$functionReflection->isBuiltin()
4403:	\|\| $requiredParameters === null
4404:	\|\| $requiredParameters > 0
4405:	\|\| count($funcCall->getArgs()) > 0
4406:	) {
4407:	$functionReturnedType = $scope->getType($funcCall);
4408:	if (!(new ObjectType(Throwable::class))->isSuperTypeOf($functionReturnedType)->yes()) {
4409:	return ThrowPoint::createImplicit($scope, $funcCall);
4410:	}
4411:	}
4412:	}
4413:
4414:	return null;
4415:	}
4416:
4417:	private function getMethodThrowPoint(MethodReflection $methodReflection, ParametersAcceptor $parametersAcceptor, MethodCall $methodCall, MutatingScope $scope): ?ThrowPoint
4418:	{
4419:	$normalizedMethodCall = ArgumentsNormalizer::reorderMethodArguments($parametersAcceptor, $methodCall);
4420:	if ($normalizedMethodCall !== null) {
4421:	foreach ($this->dynamicThrowTypeExtensionProvider->getDynamicMethodThrowTypeExtensions() as $extension) {
4422:	if (!$extension->isMethodSupported($methodReflection)) {
4423:	continue;
4424:	}
4425:
4426:	$throwType = $extension->getThrowTypeFromMethodCall($methodReflection, $normalizedMethodCall, $scope);
4427:	if ($throwType === null) {
4428:	return null;
4429:	}
4430:
4431:	return ThrowPoint::createExplicit($scope, $throwType, $methodCall, false);
4432:	}
4433:	}
4434:
4435:	$throwType = $methodReflection->getThrowType();
4436:	if ($throwType === null) {
4437:	$returnType = $parametersAcceptor->getReturnType();
4438:	if ($returnType instanceof NeverType && $returnType->isExplicit()) {
4439:	$throwType = new ObjectType(Throwable::class);
4440:	}
4441:	}
4442:
4443:	if ($throwType !== null) {
4444:	if (!$throwType->isVoid()->yes()) {
4445:	return ThrowPoint::createExplicit($scope, $throwType, $methodCall, true);
4446:	}
4447:	} elseif ($this->implicitThrows) {
4448:	$methodReturnedType = $scope->getType($methodCall);
4449:	if (!(new ObjectType(Throwable::class))->isSuperTypeOf($methodReturnedType)->yes()) {
4450:	return ThrowPoint::createImplicit($scope, $methodCall);
4451:	}
4452:	}
4453:
4454:	return null;
4455:	}
4456:
4457:	/**
4458:	* @param Node\Arg[] $args
4459:	*/
4460:	private function getConstructorThrowPoint(MethodReflection $constructorReflection, ParametersAcceptor $parametersAcceptor, ClassReflection $classReflection, New_ $new, Name $className, array $args, MutatingScope $scope): ?ThrowPoint
4461:	{
4462:	$methodCall = new StaticCall($className, $constructorReflection->getName(), $args);
4463:	$normalizedMethodCall = ArgumentsNormalizer::reorderStaticCallArguments($parametersAcceptor, $methodCall);
4464:	if ($normalizedMethodCall !== null) {
4465:	foreach ($this->dynamicThrowTypeExtensionProvider->getDynamicStaticMethodThrowTypeExtensions() as $extension) {
4466:	if (!$extension->isStaticMethodSupported($constructorReflection)) {
4467:	continue;
4468:	}
4469:
4470:	$throwType = $extension->getThrowTypeFromStaticMethodCall($constructorReflection, $normalizedMethodCall, $scope);
4471:	if ($throwType === null) {
4472:	return null;
4473:	}
4474:
4475:	return ThrowPoint::createExplicit($scope, $throwType, $new, false);
4476:	}
4477:	}
4478:
4479:	if ($constructorReflection->getThrowType() !== null) {
4480:	$throwType = $constructorReflection->getThrowType();
4481:	if (!$throwType->isVoid()->yes()) {
4482:	return ThrowPoint::createExplicit($scope, $throwType, $new, true);
4483:	}
4484:	} elseif ($this->implicitThrows) {
4485:	if (!$classReflection->is(Throwable::class)) {
4486:	return ThrowPoint::createImplicit($scope, $methodCall);
4487:	}
4488:	}
4489:
4490:	return null;
4491:	}
4492:
4493:	private function getStaticMethodThrowPoint(MethodReflection $methodReflection, ParametersAcceptor $parametersAcceptor, StaticCall $methodCall, MutatingScope $scope): ?ThrowPoint
4494:	{
4495:	$normalizedMethodCall = ArgumentsNormalizer::reorderStaticCallArguments($parametersAcceptor, $methodCall);
4496:	if ($normalizedMethodCall !== null) {
4497:	foreach ($this->dynamicThrowTypeExtensionProvider->getDynamicStaticMethodThrowTypeExtensions() as $extension) {
4498:	if (!$extension->isStaticMethodSupported($methodReflection)) {
4499:	continue;
4500:	}
4501:
4502:	$throwType = $extension->getThrowTypeFromStaticMethodCall($methodReflection, $normalizedMethodCall, $scope);
4503:	if ($throwType === null) {
4504:	return null;
4505:	}
4506:
4507:	return ThrowPoint::createExplicit($scope, $throwType, $methodCall, false);
4508:	}
4509:	}
4510:
4511:	if ($methodReflection->getThrowType() !== null) {
4512:	$throwType = $methodReflection->getThrowType();
4513:	if (!$throwType->isVoid()->yes()) {
4514:	return ThrowPoint::createExplicit($scope, $throwType, $methodCall, true);
4515:	}
4516:	} elseif ($this->implicitThrows) {
4517:	$methodReturnedType = $scope->getType($methodCall);
4518:	if (!(new ObjectType(Throwable::class))->isSuperTypeOf($methodReturnedType)->yes()) {
4519:	return ThrowPoint::createImplicit($scope, $methodCall);
4520:	}
4521:	}
4522:
4523:	return null;
4524:	}
4525:
4526:	/**
4527:	* @return ThrowPoint[]
4528:	*/
4529:	private function getPropertyReadThrowPointsFromGetHook(
4530:	MutatingScope $scope,
4531:	PropertyFetch $propertyFetch,
4532:	PhpPropertyReflection $propertyReflection,
4533:	): array
4534:	{
4535:	return $this->getThrowPointsFromPropertyHook($scope, $propertyFetch, $propertyReflection, 'get');
4536:	}
4537:
4538:	/**
4539:	* @return ThrowPoint[]
4540:	*/
4541:	private function getPropertyAssignThrowPointsFromSetHook(
4542:	MutatingScope $scope,
4543:	PropertyFetch $propertyFetch,
4544:	PhpPropertyReflection $propertyReflection,
4545:	): array
4546:	{
4547:	return $this->getThrowPointsFromPropertyHook($scope, $propertyFetch, $propertyReflection, 'set');
4548:	}
4549:
4550:	/**
4551:	* @param 'get'\|'set' $hookName
4552:	* @return ThrowPoint[]
4553:	*/
4554:	private function getThrowPointsFromPropertyHook(
4555:	MutatingScope $scope,
4556:	PropertyFetch $propertyFetch,
4557:	PhpPropertyReflection $propertyReflection,
4558:	string $hookName,
4559:	): array
4560:	{
4561:	$scopeFunction = $scope->getFunction();
4562:	if (
4563:	$scopeFunction instanceof PhpMethodFromParserNodeReflection
4564:	&& $scopeFunction->isPropertyHook()
4565:	&& $propertyFetch->var instanceof Variable
4566:	&& $propertyFetch->var->name === 'this'
4567:	&& $propertyFetch->name instanceof Identifier
4568:	&& $propertyFetch->name->toString() === $scopeFunction->getHookedPropertyName()
4569:	) {
4570:	return [];
4571:	}
4572:	$declaringClass = $propertyReflection->getDeclaringClass();
4573:	if (!$propertyReflection->hasHook($hookName)) {
4574:	if (
4575:	$propertyReflection->isPrivate()
4576:	\|\| $propertyReflection->isFinal()->yes()
4577:	\|\| $declaringClass->isFinal()
4578:	) {
4579:	return [];
4580:	}
4581:
4582:	if ($this->implicitThrows) {
4583:	return [ThrowPoint::createImplicit($scope, $propertyFetch)];
4584:	}
4585:
4586:	return [];
4587:	}
4588:
4589:	$getHook = $propertyReflection->getHook($hookName);
4590:	$throwType = $getHook->getThrowType();
4591:
4592:	if ($throwType !== null) {
4593:	if (!$throwType->isVoid()->yes()) {
4594:	return [ThrowPoint::createExplicit($scope, $throwType, $propertyFetch, true)];
4595:	}
4596:	} elseif ($this->implicitThrows) {
4597:	return [ThrowPoint::createImplicit($scope, $propertyFetch)];
4598:	}
4599:
4600:	return [];
4601:	}
4602:
4603:	/**
4604:	* @return string[]
4605:	*/
4606:	private function getAssignedVariables(Expr $expr): array
4607:	{
4608:	if ($expr instanceof Expr\Variable) {
4609:	if (is_string($expr->name)) {
4610:	return [$expr->name];
4611:	}
4612:
4613:	return [];
4614:	}
4615:
4616:	if ($expr instanceof Expr\List_) {
4617:	$names = [];
4618:	foreach ($expr->items as $item) {
4619:	if ($item === null) {
4620:	continue;
4621:	}
4622:
4623:	$names = array_merge($names, $this->getAssignedVariables($item->value));
4624:	}
4625:
4626:	return $names;
4627:	}
4628:
4629:	if ($expr instanceof ArrayDimFetch) {
4630:	return $this->getAssignedVariables($expr->var);
4631:	}
4632:
4633:	return [];
4634:	}
4635:
4636:	/**
4637:	* @param callable(Node $node, Scope $scope): void $nodeCallback
4638:	*/
4639:	private function callNodeCallbackWithExpression(
4640:	callable $nodeCallback,
4641:	Expr $expr,
4642:	MutatingScope $scope,
4643:	ExpressionContext $context,
4644:	): void
4645:	{
4646:	if ($context->isDeep()) {
4647:	$scope = $scope->exitFirstLevelStatements();
4648:	}
4649:	$nodeCallback($expr, $scope);
4650:	}
4651:
4652:	/**
4653:	* @param callable(Node $node, Scope $scope): void $nodeCallback
4654:	*/
4655:	private function processClosureNode(
4656:	Node\Stmt $stmt,
4657:	Expr\Closure $expr,
4658:	MutatingScope $scope,
4659:	callable $nodeCallback,
4660:	ExpressionContext $context,
4661:	?Type $passedToType,
4662:	): ProcessClosureResult
4663:	{
4664:	foreach ($expr->params as $param) {
4665:	$this->processParamNode($stmt, $param, $scope, $nodeCallback);
4666:	}
4667:
4668:	$byRefUses = [];
4669:
4670:	$closureCallArgs = $expr->getAttribute(ClosureArgVisitor::ATTRIBUTE_NAME);
4671:	$callableParameters = $this->createCallableParameters(
4672:	$scope,
4673:	$expr,
4674:	$closureCallArgs,
4675:	$passedToType,
4676:	);
4677:
4678:	$useScope = $scope;
4679:	foreach ($expr->uses as $use) {
4680:	if ($use->byRef) {
4681:	$byRefUses[] = $use;
4682:	$useScope = $useScope->enterExpressionAssign($use->var);
4683:
4684:	$inAssignRightSideVariableName = $context->getInAssignRightSideVariableName();
4685:	$inAssignRightSideType = $context->getInAssignRightSideType();
4686:	$inAssignRightSideNativeType = $context->getInAssignRightSideNativeType();
4687:	if (
4688:	$inAssignRightSideVariableName === $use->var->name
4689:	&& $inAssignRightSideType !== null
4690:	&& $inAssignRightSideNativeType !== null
4691:	) {
4692:	if ($inAssignRightSideType instanceof ClosureType) {
4693:	$variableType = $inAssignRightSideType;
4694:	} else {
4695:	$alreadyHasVariableType = $scope->hasVariableType($inAssignRightSideVariableName);
4696:	if ($alreadyHasVariableType->no()) {
4697:	$variableType = TypeCombinator::union(new NullType(), $inAssignRightSideType);
4698:	} else {
4699:	$variableType = TypeCombinator::union($scope->getVariableType($inAssignRightSideVariableName), $inAssignRightSideType);
4700:	}
4701:	}
4702:	if ($inAssignRightSideNativeType instanceof ClosureType) {
4703:	$variableNativeType = $inAssignRightSideNativeType;
4704:	} else {
4705:	$alreadyHasVariableType = $scope->hasVariableType($inAssignRightSideVariableName);
4706:	if ($alreadyHasVariableType->no()) {
4707:	$variableNativeType = TypeCombinator::union(new NullType(), $inAssignRightSideNativeType);
4708:	} else {
4709:	$variableNativeType = TypeCombinator::union($scope->getVariableType($inAssignRightSideVariableName), $inAssignRightSideNativeType);
4710:	}
4711:	}
4712:	$scope = $scope->assignVariable($inAssignRightSideVariableName, $variableType, $variableNativeType, TrinaryLogic::createYes());
4713:	}
4714:	}
4715:	$this->processExprNode($stmt, $use->var, $useScope, $nodeCallback, $context);
4716:	if (!$use->byRef) {
4717:	continue;
4718:	}
4719:
4720:	$useScope = $useScope->exitExpressionAssign($use->var);
4721:	}
4722:
4723:	if ($expr->returnType !== null) {
4724:	$nodeCallback($expr->returnType, $scope);
4725:	}
4726:
4727:	$closureScope = $scope->enterAnonymousFunction($expr, $callableParameters);
4728:	$closureScope = $closureScope->processClosureScope($scope, null, $byRefUses);
4729:	$closureType = $closureScope->getAnonymousFunctionReflection();
4730:	if (!$closureType instanceof ClosureType) {
4731:	throw new ShouldNotHappenException();
4732:	}
4733:
4734:	$returnType = $closureType->getReturnType();
4735:	$isAlwaysTerminating = ($returnType instanceof NeverType && $returnType->isExplicit());
4736:
4737:	$nodeCallback(new InClosureNode($closureType, $expr), $closureScope);
4738:
4739:	$executionEnds = [];
4740:	$gatheredReturnStatements = [];
4741:	$gatheredYieldStatements = [];
4742:	$closureImpurePoints = [];
4743:	$invalidateExpressions = [];
4744:	$closureStmtsCallback = static function (Node $node, Scope $scope) use ($nodeCallback, &$executionEnds, &$gatheredReturnStatements, &$gatheredYieldStatements, &$closureScope, &$closureImpurePoints, &$invalidateExpressions): void {
4745:	$nodeCallback($node, $scope);
4746:	if ($scope->getAnonymousFunctionReflection() !== $closureScope->getAnonymousFunctionReflection()) {
4747:	return;
4748:	}
4749:	if ($node instanceof PropertyAssignNode) {
4750:	$closureImpurePoints[] = new ImpurePoint(
4751:	$scope,
4752:	$node,
4753:	'propertyAssign',
4754:	'property assignment',
4755:	true,
4756:	);
4757:	return;
4758:	}
4759:	if ($node instanceof ExecutionEndNode) {
4760:	$executionEnds[] = $node;
4761:	return;
4762:	}
4763:	if ($node instanceof InvalidateExprNode) {
4764:	$invalidateExpressions[] = $node;
4765:	return;
4766:	}
4767:	if ($node instanceof Expr\Yield_ \|\| $node instanceof Expr\YieldFrom) {
4768:	$gatheredYieldStatements[] = $node;
4769:	}
4770:	if (!$node instanceof Return_) {
4771:	return;
4772:	}
4773:
4774:	$gatheredReturnStatements[] = new ReturnStatement($scope, $node);
4775:	};
4776:
4777:	if (count($byRefUses) === 0) {
4778:	$statementResult = $this->processStmtNodes($expr, $expr->stmts, $closureScope, $closureStmtsCallback, StatementContext::createTopLevel());
4779:	$nodeCallback(new ClosureReturnStatementsNode(
4780:	$expr,
4781:	$gatheredReturnStatements,
4782:	$gatheredYieldStatements,
4783:	$statementResult,
4784:	$executionEnds,
4785:	array_merge($statementResult->getImpurePoints(), $closureImpurePoints),
4786:	), $closureScope);
4787:
4788:	return new ProcessClosureResult($scope, $statementResult->getThrowPoints(), $statementResult->getImpurePoints(), $invalidateExpressions, $isAlwaysTerminating);
4789:	}
4790:
4791:	$count = 0;
4792:	$closureResultScope = null;
4793:	do {
4794:	$prevScope = $closureScope;
4795:
4796:	$intermediaryClosureScopeResult = $this->processStmtNodes($expr, $expr->stmts, $closureScope, static function (): void {
4797:	}, StatementContext::createTopLevel());
4798:	$intermediaryClosureScope = $intermediaryClosureScopeResult->getScope();
4799:	foreach ($intermediaryClosureScopeResult->getExitPoints() as $exitPoint) {
4800:	$intermediaryClosureScope = $intermediaryClosureScope->mergeWith($exitPoint->getScope());
4801:	}
4802:
4803:	if ($expr->getAttribute(ImmediatelyInvokedClosureVisitor::ATTRIBUTE_NAME) === true) {
4804:	$closureResultScope = $intermediaryClosureScope;
4805:	break;
4806:	}
4807:
4808:	$closureScope = $scope->enterAnonymousFunction($expr, $callableParameters);
4809:	$closureScope = $closureScope->processClosureScope($intermediaryClosureScope, $prevScope, $byRefUses);
4810:
4811:	if ($closureScope->equals($prevScope)) {
4812:	break;
4813:	}
4814:	if ($count >= self::GENERALIZE_AFTER_ITERATION) {
4815:	$closureScope = $prevScope->generalizeWith($closureScope);
4816:	}
4817:	$count++;
4818:	} while ($count < self::LOOP_SCOPE_ITERATIONS);
4819:
4820:	if ($closureResultScope === null) {
4821:	$closureResultScope = $closureScope;
4822:	}
4823:
4824:	$statementResult = $this->processStmtNodes($expr, $expr->stmts, $closureScope, $closureStmtsCallback, StatementContext::createTopLevel());
4825:	$nodeCallback(new ClosureReturnStatementsNode(
4826:	$expr,
4827:	$gatheredReturnStatements,
4828:	$gatheredYieldStatements,
4829:	$statementResult,
4830:	$executionEnds,
4831:	array_merge($statementResult->getImpurePoints(), $closureImpurePoints),
4832:	), $closureScope);
4833:
4834:	return new ProcessClosureResult($scope->processClosureScope($closureResultScope, null, $byRefUses), $statementResult->getThrowPoints(), $statementResult->getImpurePoints(), $invalidateExpressions, $isAlwaysTerminating);
4835:	}
4836:
4837:	/**
4838:	* @param InvalidateExprNode[] $invalidatedExpressions
4839:	* @param string[] $uses
4840:	*/
4841:	private function processImmediatelyCalledCallable(MutatingScope $scope, array $invalidatedExpressions, array $uses): MutatingScope
4842:	{
4843:	if ($scope->isInClass()) {
4844:	$uses[] = 'this';
4845:	}
4846:
4847:	$finder = new NodeFinder();
4848:	foreach ($invalidatedExpressions as $invalidateExpression) {
4849:	$found = false;
4850:	foreach ($uses as $use) {
4851:	$result = $finder->findFirst([$invalidateExpression->getExpr()], static fn ($node) => $node instanceof Variable && $node->name === $use);
4852:	if ($result === null) {
4853:	continue;
4854:	}
4855:
4856:	$found = true;
4857:	break;
4858:	}
4859:
4860:	if (!$found) {
4861:	continue;
4862:	}
4863:
4864:	$scope = $scope->invalidateExpression($invalidateExpression->getExpr(), true);
4865:	}
4866:
4867:	return $scope;
4868:	}
4869:
4870:	/**
4871:	* @param callable(Node $node, Scope $scope): void $nodeCallback
4872:	*/
4873:	private function processArrowFunctionNode(
4874:	Node\Stmt $stmt,
4875:	Expr\ArrowFunction $expr,
4876:	MutatingScope $scope,
4877:	callable $nodeCallback,
4878:	?Type $passedToType,
4879:	): ExpressionResult
4880:	{
4881:	foreach ($expr->params as $param) {
4882:	$this->processParamNode($stmt, $param, $scope, $nodeCallback);
4883:	}
4884:	if ($expr->returnType !== null) {
4885:	$nodeCallback($expr->returnType, $scope);
4886:	}
4887:
4888:	$arrowFunctionCallArgs = $expr->getAttribute(ArrowFunctionArgVisitor::ATTRIBUTE_NAME);
4889:	$arrowFunctionScope = $scope->enterArrowFunction($expr, $this->createCallableParameters(
4890:	$scope,
4891:	$expr,
4892:	$arrowFunctionCallArgs,
4893:	$passedToType,
4894:	));
4895:	$arrowFunctionType = $arrowFunctionScope->getAnonymousFunctionReflection();
4896:	if (!$arrowFunctionType instanceof ClosureType) {
4897:	throw new ShouldNotHappenException();
4898:	}
4899:	$nodeCallback(new InArrowFunctionNode($arrowFunctionType, $expr), $arrowFunctionScope);
4900:	$exprResult = $this->processExprNode($stmt, $expr->expr, $arrowFunctionScope, $nodeCallback, ExpressionContext::createTopLevel());
4901:
4902:	return new ExpressionResult($scope, false, $exprResult->isAlwaysTerminating(), $exprResult->getThrowPoints(), $exprResult->getImpurePoints());
4903:	}
4904:
4905:	/**
4906:	* @param Node\Arg[] $args
4907:	* @return ParameterReflection[]\|null
4908:	*/
4909:	public function createCallableParameters(Scope $scope, Expr $closureExpr, ?array $args, ?Type $passedToType): ?array
4910:	{
4911:	$callableParameters = null;
4912:	if ($args !== null) {
4913:	$closureType = $scope->getType($closureExpr);
4914:
4915:	if ($closureType->isCallable()->no()) {
4916:	return null;
4917:	}
4918:
4919:	$acceptors = $closureType->getCallableParametersAcceptors($scope);
4920:	if (count($acceptors) === 1) {
4921:	$callableParameters = $acceptors[0]->getParameters();
4922:
4923:	foreach ($callableParameters as $index => $callableParameter) {
4924:	if (!isset($args[$index])) {
4925:	continue;
4926:	}
4927:
4928:	$type = $scope->getType($args[$index]->value);
4929:	$callableParameters[$index] = new NativeParameterReflection(
4930:	$callableParameter->getName(),
4931:	$callableParameter->isOptional(),
4932:	$type,
4933:	$callableParameter->passedByReference(),
4934:	$callableParameter->isVariadic(),
4935:	$callableParameter->getDefaultValue(),
4936:	);
4937:	}
4938:	}
4939:	} elseif ($passedToType !== null && !$passedToType->isCallable()->no()) {
4940:	if ($passedToType instanceof UnionType) {
4941:	$passedToType = TypeCombinator::union(...array_filter(
4942:	$passedToType->getTypes(),
4943:	static fn (Type $type) => $type->isCallable()->yes(),
4944:	));
4945:
4946:	if ($passedToType->isCallable()->no()) {
4947:	return null;
4948:	}
4949:	}
4950:
4951:	$acceptors = $passedToType->getCallableParametersAcceptors($scope);
4952:	if (count($acceptors) > 0) {
4953:	foreach ($acceptors as $acceptor) {
4954:	if ($callableParameters === null) {
4955:	$callableParameters = array_map(static fn (ParameterReflection $callableParameter) => new NativeParameterReflection(
4956:	$callableParameter->getName(),
4957:	$callableParameter->isOptional(),
4958:	$callableParameter->getType(),
4959:	$callableParameter->passedByReference(),
4960:	$callableParameter->isVariadic(),
4961:	$callableParameter->getDefaultValue(),
4962:	), $acceptor->getParameters());
4963:	continue;
4964:	}
4965:
4966:	$newParameters = [];
4967:	foreach ($acceptor->getParameters() as $i => $callableParameter) {
4968:	if (!array_key_exists($i, $callableParameters)) {
4969:	$newParameters[] = $callableParameter;
4970:	continue;
4971:	}
4972:
4973:	$newParameters[] = $callableParameters[$i]->union(new NativeParameterReflection(
4974:	$callableParameter->getName(),
4975:	$callableParameter->isOptional(),
4976:	$callableParameter->getType(),
4977:	$callableParameter->passedByReference(),
4978:	$callableParameter->isVariadic(),
4979:	$callableParameter->getDefaultValue(),
4980:	));
4981:	}
4982:
4983:	$callableParameters = $newParameters;
4984:	}
4985:	}
4986:	}
4987:
4988:	return $callableParameters;
4989:	}
4990:
4991:	/**
4992:	* @param callable(Node $node, Scope $scope): void $nodeCallback
4993:	*/
4994:	private function processParamNode(
4995:	Node\Stmt $stmt,
4996:	Node\Param $param,
4997:	MutatingScope $scope,
4998:	callable $nodeCallback,
4999:	): void
5000:	{
5001:	$this->processAttributeGroups($stmt, $param->attrGroups, $scope, $nodeCallback);
5002:	$nodeCallback($param, $scope);
5003:	if ($param->type !== null) {
5004:	$nodeCallback($param->type, $scope);
5005:	}
5006:	if ($param->default === null) {
5007:	return;
5008:	}
5009:
5010:	$this->processExprNode($stmt, $param->default, $scope, $nodeCallback, ExpressionContext::createDeep());
5011:	}
5012:
5013:	/**
5014:	* @param AttributeGroup[] $attrGroups
5015:	* @param callable(Node $node, Scope $scope): void $nodeCallback
5016:	*/
5017:	private function processAttributeGroups(
5018:	Node\Stmt $stmt,
5019:	array $attrGroups,
5020:	MutatingScope $scope,
5021:	callable $nodeCallback,
5022:	): void
5023:	{
5024:	foreach ($attrGroups as $attrGroup) {
5025:	foreach ($attrGroup->attrs as $attr) {
5026:	foreach ($attr->args as $arg) {
5027:	$this->processExprNode($stmt, $arg->value, $scope, $nodeCallback, ExpressionContext::createDeep());
5028:	$nodeCallback($arg, $scope);
5029:	}
5030:	$nodeCallback($attr, $scope);
5031:	}
5032:	$nodeCallback($attrGroup, $scope);
5033:	}
5034:	}
5035:
5036:	/**
5037:	* @param Node\PropertyHook[] $hooks
5038:	* @param callable(Node $node, Scope $scope): void $nodeCallback
5039:	*/
5040:	private function processPropertyHooks(
5041:	Node\Stmt $stmt,
5042:	Identifier\|Name\|ComplexType\|null $nativeTypeNode,
5043:	?Type $phpDocType,
5044:	string $propertyName,
5045:	array $hooks,
5046:	MutatingScope $scope,
5047:	callable $nodeCallback,
5048:	): void
5049:	{
5050:	if (!$scope->isInClass()) {
5051:	throw new ShouldNotHappenException();
5052:	}
5053:
5054:	$classReflection = $scope->getClassReflection();
5055:
5056:	foreach ($hooks as $hook) {
5057:	$nodeCallback($hook, $scope);
5058:	$this->processAttributeGroups($stmt, $hook->attrGroups, $scope, $nodeCallback);
5059:
5060:	[, $phpDocParameterTypes,,,, $phpDocThrowType,,,,,,,, $phpDocComment] = $this->getPhpDocs($scope, $hook);
5061:
5062:	foreach ($hook->params as $param) {
5063:	$this->processParamNode($stmt, $param, $scope, $nodeCallback);
5064:	}
5065:
5066:	[$isDeprecated, $deprecatedDescription] = $this->getDeprecatedAttribute($scope, $hook);
5067:
5068:	$hookScope = $scope->enterPropertyHook(
5069:	$hook,
5070:	$propertyName,
5071:	$nativeTypeNode,
5072:	$phpDocType,
5073:	$phpDocParameterTypes,
5074:	$phpDocThrowType,
5075:	$deprecatedDescription,
5076:	$isDeprecated,
5077:	$phpDocComment,
5078:	);
5079:	$hookReflection = $hookScope->getFunction();
5080:	if (!$hookReflection instanceof PhpMethodFromParserNodeReflection) {
5081:	throw new ShouldNotHappenException();
5082:	}
5083:
5084:	if (!$classReflection->hasNativeProperty($propertyName)) {
5085:	throw new ShouldNotHappenException();
5086:	}
5087:
5088:	$propertyReflection = $classReflection->getNativeProperty($propertyName);
5089:
5090:	$nodeCallback(new InPropertyHookNode(
5091:	$classReflection,
5092:	$hookReflection,
5093:	$propertyReflection,
5094:	$hook,
5095:	), $hookScope);
5096:
5097:	$stmts = $hook->getStmts();
5098:	if ($stmts === null) {
5099:	return;
5100:	}
5101:
5102:	if ($hook->body instanceof Expr) {
5103:	// enrich attributes of nodes in short hook body statements
5104:	$traverser = new NodeTraverser(
5105:	new LineAttributesVisitor($hook->body->getStartLine(), $hook->body->getEndLine()),
5106:	);
5107:	$traverser->traverse($stmts);
5108:	}
5109:
5110:	$gatheredReturnStatements = [];
5111:	$executionEnds = [];
5112:	$methodImpurePoints = [];
5113:	$statementResult = $this->processStmtNodes(new PropertyHookStatementNode($hook), $stmts, $hookScope, static function (Node $node, Scope $scope) use ($nodeCallback, $hookScope, &$gatheredReturnStatements, &$executionEnds, &$hookImpurePoints): void {
5114:	$nodeCallback($node, $scope);
5115:	if ($scope->getFunction() !== $hookScope->getFunction()) {
5116:	return;
5117:	}
5118:	if ($scope->isInAnonymousFunction()) {
5119:	return;
5120:	}
5121:	if ($node instanceof PropertyAssignNode) {
5122:	$hookImpurePoints[] = new ImpurePoint(
5123:	$scope,
5124:	$node,
5125:	'propertyAssign',
5126:	'property assignment',
5127:	true,
5128:	);
5129:	return;
5130:	}
5131:	if ($node instanceof ExecutionEndNode) {
5132:	$executionEnds[] = $node;
5133:	return;
5134:	}
5135:	if (!$node instanceof Return_) {
5136:	return;
5137:	}
5138:
5139:	$gatheredReturnStatements[] = new ReturnStatement($scope, $node);
5140:	}, StatementContext::createTopLevel());
5141:
5142:	$nodeCallback(new PropertyHookReturnStatementsNode(
5143:	$hook,
5144:	$gatheredReturnStatements,
5145:	$statementResult,
5146:	$executionEnds,
5147:	array_merge($statementResult->getImpurePoints(), $methodImpurePoints),
5148:	$classReflection,
5149:	$hookReflection,
5150:	$propertyReflection,
5151:	), $hookScope);
5152:	}
5153:	}
5154:
5155:	/**
5156:	* @param FunctionReflection\|MethodReflection\|null $calleeReflection
5157:	*/
5158:	public function resolveClosureThisType(
5159:	?CallLike $call,
5160:	$calleeReflection,
5161:	ParameterReflection $parameter,
5162:	MutatingScope $scope,
5163:	): ?Type
5164:	{
5165:	if ($call instanceof FuncCall && $calleeReflection instanceof FunctionReflection) {
5166:	foreach ($this->parameterClosureThisExtensionProvider->getFunctionParameterClosureThisExtensions() as $extension) {
5167:	if (! $extension->isFunctionSupported($calleeReflection, $parameter)) {
5168:	continue;
5169:	}
5170:	$type = $extension->getClosureThisTypeFromFunctionCall($calleeReflection, $call, $parameter, $scope);
5171:	if ($type !== null) {
5172:	return $type;
5173:	}
5174:	}
5175:	} elseif ($call instanceof StaticCall && $calleeReflection instanceof MethodReflection) {
5176:	foreach ($this->parameterClosureThisExtensionProvider->getStaticMethodParameterClosureThisExtensions() as $extension) {
5177:	if (! $extension->isStaticMethodSupported($calleeReflection, $parameter)) {
5178:	continue;
5179:	}
5180:	$type = $extension->getClosureThisTypeFromStaticMethodCall($calleeReflection, $call, $parameter, $scope);
5181:	if ($type !== null) {
5182:	return $type;
5183:	}
5184:	}
5185:	} elseif ($call instanceof MethodCall && $calleeReflection instanceof MethodReflection) {
5186:	foreach ($this->parameterClosureThisExtensionProvider->getMethodParameterClosureThisExtensions() as $extension) {
5187:	if (! $extension->isMethodSupported($calleeReflection, $parameter)) {
5188:	continue;
5189:	}
5190:	$type = $extension->getClosureThisTypeFromMethodCall($calleeReflection, $call, $parameter, $scope);
5191:	if ($type !== null) {
5192:	return $type;
5193:	}
5194:	}
5195:	}
5196:
5197:	if ($parameter instanceof ExtendedParameterReflection) {
5198:	return $parameter->getClosureThisType();
5199:	}
5200:
5201:	return null;
5202:	}
5203:
5204:	/**
5205:	* @param MethodReflection\|FunctionReflection\|null $calleeReflection
5206:	* @param callable(Node $node, Scope $scope): void $nodeCallback
5207:	*/
5208:	private function processArgs(
5209:	Node\Stmt $stmt,
5210:	$calleeReflection,
5211:	?ExtendedMethodReflection $nakedMethodReflection,
5212:	?ParametersAcceptor $parametersAcceptor,
5213:	CallLike $callLike,
5214:	MutatingScope $scope,
5215:	callable $nodeCallback,
5216:	ExpressionContext $context,
5217:	?MutatingScope $closureBindScope = null,
5218:	): ExpressionResult
5219:	{
5220:	$args = $callLike->getArgs();
5221:
5222:	if ($parametersAcceptor !== null) {
5223:	$parameters = $parametersAcceptor->getParameters();
5224:	}
5225:
5226:	$hasYield = false;
5227:	$throwPoints = [];
5228:	$impurePoints = [];
5229:	$isAlwaysTerminating = false;
5230:	foreach ($args as $i => $arg) {
5231:	$assignByReference = false;
5232:	$parameter = null;
5233:	$parameterType = null;
5234:	$parameterNativeType = null;
5235:	if (isset($parameters) && $parametersAcceptor !== null) {
5236:	if (isset($parameters[$i])) {
5237:	$assignByReference = $parameters[$i]->passedByReference()->createsNewVariable();
5238:	$parameterType = $parameters[$i]->getType();
5239:
5240:	if ($parameters[$i] instanceof ExtendedParameterReflection) {
5241:	$parameterNativeType = $parameters[$i]->getNativeType();
5242:	}
5243:	$parameter = $parameters[$i];
5244:	} elseif (count($parameters) > 0 && $parametersAcceptor->isVariadic()) {
5245:	$lastParameter = $parameters[count($parameters) - 1];
5246:	$assignByReference = $lastParameter->passedByReference()->createsNewVariable();
5247:	$parameterType = $lastParameter->getType();
5248:
5249:	if ($lastParameter instanceof ExtendedParameterReflection) {
5250:	$parameterNativeType = $lastParameter->getNativeType();
5251:	}
5252:	$parameter = $lastParameter;
5253:	}
5254:	}
5255:
5256:	$lookForUnset = false;
5257:	if ($assignByReference) {
5258:	$isBuiltin = false;
5259:	if ($calleeReflection instanceof FunctionReflection && $calleeReflection->isBuiltin()) {
5260:	$isBuiltin = true;
5261:	} elseif ($calleeReflection instanceof ExtendedMethodReflection && $calleeReflection->getDeclaringClass()->isBuiltin()) {
5262:	$isBuiltin = true;
5263:	}
5264:	if (
5265:	$isBuiltin
5266:	\|\| ($parameterNativeType === null \|\| !$parameterNativeType->isNull()->no())
5267:	) {
5268:	$scope = $this->lookForSetAllowedUndefinedExpressions($scope, $arg->value);
5269:	$lookForUnset = true;
5270:	}
5271:	}
5272:
5273:	if ($calleeReflection !== null) {
5274:	$scope = $scope->pushInFunctionCall($calleeReflection, $parameter);
5275:	}
5276:
5277:	$originalArg = $arg->getAttribute(ArgumentsNormalizer::ORIGINAL_ARG_ATTRIBUTE) ?? $arg;
5278:	$nodeCallback($originalArg, $scope);
5279:
5280:	$originalScope = $scope;
5281:	$scopeToPass = $scope;
5282:	if ($i === 0 && $closureBindScope !== null) {
5283:	$scopeToPass = $closureBindScope;
5284:	}
5285:
5286:	$parameterCallableType = null;
5287:	if ($parameterType !== null) {
5288:	$parameterCallableType = TypeUtils::findCallableType($parameterType);
5289:	}
5290:
5291:	if ($parameter instanceof ExtendedParameterReflection) {
5292:	$parameterCallImmediately = $parameter->isImmediatelyInvokedCallable();
5293:	if ($parameterCallImmediately->maybe()) {
5294:	$callCallbackImmediately = $parameterCallableType !== null && $calleeReflection instanceof FunctionReflection;
5295:	} else {
5296:	$callCallbackImmediately = $parameterCallImmediately->yes();
5297:	}
5298:	} else {
5299:	$callCallbackImmediately = $parameterCallableType !== null && $calleeReflection instanceof FunctionReflection;
5300:	}
5301:
5302:	if ($arg->value instanceof Expr\Closure) {
5303:	$restoreThisScope = null;
5304:	if (
5305:	$closureBindScope === null
5306:	&& $parameter instanceof ExtendedParameterReflection
5307:	&& !$arg->value->static
5308:	) {
5309:	$closureThisType = $this->resolveClosureThisType($callLike, $calleeReflection, $parameter, $scopeToPass);
5310:	if ($closureThisType !== null) {
5311:	$restoreThisScope = $scopeToPass;
5312:	$scopeToPass = $scopeToPass->assignVariable('this', $closureThisType, new ObjectWithoutClassType(), TrinaryLogic::createYes());
5313:	}
5314:	}
5315:
5316:	if ($parameter !== null) {
5317:	$overwritingParameterType = $this->getParameterTypeFromParameterClosureTypeExtension($callLike, $calleeReflection, $parameter, $scopeToPass);
5318:
5319:	if ($overwritingParameterType !== null) {
5320:	$parameterType = $overwritingParameterType;
5321:	}
5322:	}
5323:
5324:	$this->callNodeCallbackWithExpression($nodeCallback, $arg->value, $scopeToPass, $context);
5325:	$closureResult = $this->processClosureNode($stmt, $arg->value, $scopeToPass, $nodeCallback, $context, $parameterType ?? null);
5326:	if ($callCallbackImmediately) {
5327:	$throwPoints = array_merge($throwPoints, array_map(static fn (ThrowPoint $throwPoint) => $throwPoint->isExplicit() ? ThrowPoint::createExplicit($scope, $throwPoint->getType(), $arg->value, $throwPoint->canContainAnyThrowable()) : ThrowPoint::createImplicit($scope, $arg->value), $closureResult->getThrowPoints()));
5328:	$impurePoints = array_merge($impurePoints, $closureResult->getImpurePoints());
5329:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $closureResult->isAlwaysTerminating();
5330:	}
5331:
5332:	$uses = [];
5333:	foreach ($arg->value->uses as $use) {
5334:	if (!is_string($use->var->name)) {
5335:	continue;
5336:	}
5337:
5338:	$uses[] = $use->var->name;
5339:	}
5340:
5341:	$scope = $closureResult->getScope();
5342:	$invalidateExpressions = $closureResult->getInvalidateExpressions();
5343:	if ($restoreThisScope !== null) {
5344:	$nodeFinder = new NodeFinder();
5345:	$cb = static fn ($expr) => $expr instanceof Variable && $expr->name === 'this';
5346:	foreach ($invalidateExpressions as $j => $invalidateExprNode) {
5347:	$foundThis = $nodeFinder->findFirst([$invalidateExprNode->getExpr()], $cb);
5348:	if ($foundThis === null) {
5349:	continue;
5350:	}
5351:
5352:	unset($invalidateExpressions[$j]);
5353:	}
5354:	$invalidateExpressions = array_values($invalidateExpressions);
5355:	$scope = $scope->restoreThis($restoreThisScope);
5356:	}
5357:
5358:	$scope = $this->processImmediatelyCalledCallable($scope, $invalidateExpressions, $uses);
5359:	} elseif ($arg->value instanceof Expr\ArrowFunction) {
5360:	if (
5361:	$closureBindScope === null
5362:	&& $parameter instanceof ExtendedParameterReflection
5363:	&& !$arg->value->static
5364:	) {
5365:	$closureThisType = $this->resolveClosureThisType($callLike, $calleeReflection, $parameter, $scopeToPass);
5366:	if ($closureThisType !== null) {
5367:	$scopeToPass = $scopeToPass->assignVariable('this', $closureThisType, new ObjectWithoutClassType(), TrinaryLogic::createYes());
5368:	}
5369:	}
5370:
5371:	if ($parameter !== null) {
5372:	$overwritingParameterType = $this->getParameterTypeFromParameterClosureTypeExtension($callLike, $calleeReflection, $parameter, $scopeToPass);
5373:
5374:	if ($overwritingParameterType !== null) {
5375:	$parameterType = $overwritingParameterType;
5376:	}
5377:	}
5378:
5379:	$this->callNodeCallbackWithExpression($nodeCallback, $arg->value, $scopeToPass, $context);
5380:	$arrowFunctionResult = $this->processArrowFunctionNode($stmt, $arg->value, $scopeToPass, $nodeCallback, $parameterType ?? null);
5381:	if ($callCallbackImmediately) {
5382:	$throwPoints = array_merge($throwPoints, array_map(static fn (ThrowPoint $throwPoint) => $throwPoint->isExplicit() ? ThrowPoint::createExplicit($scope, $throwPoint->getType(), $arg->value, $throwPoint->canContainAnyThrowable()) : ThrowPoint::createImplicit($scope, $arg->value), $arrowFunctionResult->getThrowPoints()));
5383:	$impurePoints = array_merge($impurePoints, $arrowFunctionResult->getImpurePoints());
5384:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $arrowFunctionResult->isAlwaysTerminating();
5385:	}
5386:	} else {
5387:	$exprType = $scope->getType($arg->value);
5388:	$exprResult = $this->processExprNode($stmt, $arg->value, $scopeToPass, $nodeCallback, $context->enterDeep());
5389:	$throwPoints = array_merge($throwPoints, $exprResult->getThrowPoints());
5390:	$impurePoints = array_merge($impurePoints, $exprResult->getImpurePoints());
5391:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $exprResult->isAlwaysTerminating();
5392:	$scope = $exprResult->getScope();
5393:	$hasYield = $hasYield \|\| $exprResult->hasYield();
5394:
5395:	if ($exprType->isCallable()->yes()) {
5396:	$acceptors = $exprType->getCallableParametersAcceptors($scope);
5397:	if (count($acceptors) === 1) {
5398:	$scope = $this->processImmediatelyCalledCallable($scope, $acceptors[0]->getInvalidateExpressions(), $acceptors[0]->getUsedVariables());
5399:	if ($callCallbackImmediately) {
5400:	$callableThrowPoints = array_map(static fn (SimpleThrowPoint $throwPoint) => $throwPoint->isExplicit() ? ThrowPoint::createExplicit($scope, $throwPoint->getType(), $arg->value, $throwPoint->canContainAnyThrowable()) : ThrowPoint::createImplicit($scope, $arg->value), $acceptors[0]->getThrowPoints());
5401:	if (!$this->implicitThrows) {
5402:	$callableThrowPoints = array_values(array_filter($callableThrowPoints, static fn (ThrowPoint $throwPoint) => $throwPoint->isExplicit()));
5403:	}
5404:	$throwPoints = array_merge($throwPoints, $callableThrowPoints);
5405:	$impurePoints = array_merge($impurePoints, array_map(static fn (SimpleImpurePoint $impurePoint) => new ImpurePoint($scope, $arg->value, $impurePoint->getIdentifier(), $impurePoint->getDescription(), $impurePoint->isCertain()), $acceptors[0]->getImpurePoints()));
5406:	$returnType = $acceptors[0]->getReturnType();
5407:	$isAlwaysTerminating = $isAlwaysTerminating \|\| ($returnType instanceof NeverType && $returnType->isExplicit());
5408:	}
5409:	}
5410:	}
5411:	}
5412:
5413:	if ($assignByReference && $lookForUnset) {
5414:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $arg->value);
5415:	}
5416:
5417:	if ($calleeReflection !== null) {
5418:	$scope = $scope->popInFunctionCall();
5419:	}
5420:
5421:	if ($i !== 0 \|\| $closureBindScope === null) {
5422:	continue;
5423:	}
5424:
5425:	$scope = $scope->restoreOriginalScopeAfterClosureBind($originalScope);
5426:	}
5427:	foreach ($args as $i => $arg) {
5428:	if (!isset($parameters) \|\| $parametersAcceptor === null) {
5429:	continue;
5430:	}
5431:
5432:	$byRefType = new MixedType();
5433:	$assignByReference = false;
5434:	$currentParameter = null;
5435:	if (isset($parameters[$i])) {
5436:	$currentParameter = $parameters[$i];
5437:	} elseif (count($parameters) > 0 && $parametersAcceptor->isVariadic()) {
5438:	$currentParameter = $parameters[count($parameters) - 1];
5439:	}
5440:
5441:	if ($currentParameter !== null) {
5442:	$assignByReference = $currentParameter->passedByReference()->createsNewVariable();
5443:	if ($assignByReference) {
5444:	if ($currentParameter instanceof ExtendedParameterReflection && $currentParameter->getOutType() !== null) {
5445:	$byRefType = $currentParameter->getOutType();
5446:	} elseif (
5447:	$calleeReflection instanceof MethodReflection
5448:	&& !$calleeReflection->getDeclaringClass()->isBuiltin()
5449:	) {
5450:	$byRefType = $currentParameter->getType();
5451:	} elseif (
5452:	$calleeReflection instanceof FunctionReflection
5453:	&& !$calleeReflection->isBuiltin()
5454:	) {
5455:	$byRefType = $currentParameter->getType();
5456:	}
5457:	}
5458:	}
5459:
5460:	if ($assignByReference) {
5461:	if ($currentParameter === null) {
5462:	throw new ShouldNotHappenException();
5463:	}
5464:
5465:	$argValue = $arg->value;
5466:	if (!$argValue instanceof Variable \|\| $argValue->name !== 'this') {
5467:	$paramOutType = $this->getParameterOutExtensionsType($callLike, $calleeReflection, $currentParameter, $scope);
5468:	if ($paramOutType !== null) {
5469:	$byRefType = $paramOutType;
5470:	}
5471:
5472:	$result = $this->processAssignVar(
5473:	$scope,
5474:	$stmt,
5475:	$argValue,
5476:	new TypeExpr($byRefType),
5477:	static function (Node $node, Scope $scope) use ($nodeCallback): void {
5478:	if (!$node instanceof PropertyAssignNode && !$node instanceof VariableAssignNode) {
5479:	return;
5480:	}
5481:
5482:	$nodeCallback($node, $scope);
5483:	},
5484:	$context,
5485:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
5486:	true,
5487:	);
5488:	$scope = $result->getScope();
5489:	}
5490:	} elseif ($calleeReflection !== null && $calleeReflection->hasSideEffects()->yes()) {
5491:	$argType = $scope->getType($arg->value);
5492:	if (!$argType->isObject()->no()) {
5493:	$nakedReturnType = null;
5494:	if ($nakedMethodReflection !== null) {
5495:	$nakedParametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
5496:	$scope,
5497:	$args,
5498:	$nakedMethodReflection->getVariants(),
5499:	$nakedMethodReflection->getNamedArgumentsVariants(),
5500:	);
5501:	$nakedReturnType = $nakedParametersAcceptor->getReturnType();
5502:	}
5503:	if (
5504:	$nakedReturnType === null
5505:	\|\| !(new ThisType($nakedMethodReflection->getDeclaringClass()))->isSuperTypeOf($nakedReturnType)->yes()
5506:	\|\| $nakedMethodReflection->isPure()->no()
5507:	) {
5508:	$nodeCallback(new InvalidateExprNode($arg->value), $scope);
5509:	$scope = $scope->invalidateExpression($arg->value, true);
5510:	}
5511:	} elseif (!(new ResourceType())->isSuperTypeOf($argType)->no()) {
5512:	$nodeCallback(new InvalidateExprNode($arg->value), $scope);
5513:	$scope = $scope->invalidateExpression($arg->value, true);
5514:	}
5515:	}
5516:	}
5517:
5518:	return new ExpressionResult($scope, $hasYield, $isAlwaysTerminating, $throwPoints, $impurePoints);
5519:	}
5520:
5521:	/**
5522:	* @param MethodReflection\|FunctionReflection\|null $calleeReflection
5523:	*/
5524:	private function getParameterTypeFromParameterClosureTypeExtension(CallLike $callLike, $calleeReflection, ParameterReflection $parameter, MutatingScope $scope): ?Type
5525:	{
5526:	if ($callLike instanceof FuncCall && $calleeReflection instanceof FunctionReflection) {
5527:	foreach ($this->parameterClosureTypeExtensionProvider->getFunctionParameterClosureTypeExtensions() as $functionParameterClosureTypeExtension) {
5528:	if ($functionParameterClosureTypeExtension->isFunctionSupported($calleeReflection, $parameter)) {
5529:	return $functionParameterClosureTypeExtension->getTypeFromFunctionCall($calleeReflection, $callLike, $parameter, $scope);
5530:	}
5531:	}
5532:	} elseif ($calleeReflection instanceof MethodReflection) {
5533:	if ($callLike instanceof StaticCall) {
5534:	foreach ($this->parameterClosureTypeExtensionProvider->getStaticMethodParameterClosureTypeExtensions() as $staticMethodParameterClosureTypeExtension) {
5535:	if ($staticMethodParameterClosureTypeExtension->isStaticMethodSupported($calleeReflection, $parameter)) {
5536:	return $staticMethodParameterClosureTypeExtension->getTypeFromStaticMethodCall($calleeReflection, $callLike, $parameter, $scope);
5537:	}
5538:	}
5539:	} elseif ($callLike instanceof MethodCall) {
5540:	foreach ($this->parameterClosureTypeExtensionProvider->getMethodParameterClosureTypeExtensions() as $methodParameterClosureTypeExtension) {
5541:	if ($methodParameterClosureTypeExtension->isMethodSupported($calleeReflection, $parameter)) {
5542:	return $methodParameterClosureTypeExtension->getTypeFromMethodCall($calleeReflection, $callLike, $parameter, $scope);
5543:	}
5544:	}
5545:	}
5546:	}
5547:
5548:	return null;
5549:	}
5550:
5551:	/**
5552:	* @param MethodReflection\|FunctionReflection\|null $calleeReflection
5553:	*/
5554:	private function getParameterOutExtensionsType(CallLike $callLike, $calleeReflection, ParameterReflection $currentParameter, MutatingScope $scope): ?Type
5555:	{
5556:	$paramOutTypes = [];
5557:	if ($callLike instanceof FuncCall && $calleeReflection instanceof FunctionReflection) {
5558:	foreach ($this->parameterOutTypeExtensionProvider->getFunctionParameterOutTypeExtensions() as $functionParameterOutTypeExtension) {
5559:	if (!$functionParameterOutTypeExtension->isFunctionSupported($calleeReflection, $currentParameter)) {
5560:	continue;
5561:	}
5562:
5563:	$resolvedType = $functionParameterOutTypeExtension->getParameterOutTypeFromFunctionCall($calleeReflection, $callLike, $currentParameter, $scope);
5564:	if ($resolvedType === null) {
5565:	continue;
5566:	}
5567:	$paramOutTypes[] = $resolvedType;
5568:	}
5569:	} elseif ($callLike instanceof MethodCall && $calleeReflection instanceof MethodReflection) {
5570:	foreach ($this->parameterOutTypeExtensionProvider->getMethodParameterOutTypeExtensions() as $methodParameterOutTypeExtension) {
5571:	if (!$methodParameterOutTypeExtension->isMethodSupported($calleeReflection, $currentParameter)) {
5572:	continue;
5573:	}
5574:
5575:	$resolvedType = $methodParameterOutTypeExtension->getParameterOutTypeFromMethodCall($calleeReflection, $callLike, $currentParameter, $scope);
5576:	if ($resolvedType === null) {
5577:	continue;
5578:	}
5579:	$paramOutTypes[] = $resolvedType;
5580:	}
5581:	} elseif ($callLike instanceof StaticCall && $calleeReflection instanceof MethodReflection) {
5582:	foreach ($this->parameterOutTypeExtensionProvider->getStaticMethodParameterOutTypeExtensions() as $staticMethodParameterOutTypeExtension) {
5583:	if (!$staticMethodParameterOutTypeExtension->isStaticMethodSupported($calleeReflection, $currentParameter)) {
5584:	continue;
5585:	}
5586:
5587:	$resolvedType = $staticMethodParameterOutTypeExtension->getParameterOutTypeFromStaticMethodCall($calleeReflection, $callLike, $currentParameter, $scope);
5588:	if ($resolvedType === null) {
5589:	continue;
5590:	}
5591:	$paramOutTypes[] = $resolvedType;
5592:	}
5593:	}
5594:
5595:	if (count($paramOutTypes) === 1) {
5596:	return $paramOutTypes[0];
5597:	}
5598:
5599:	if (count($paramOutTypes) > 1) {
5600:	return TypeCombinator::union(...$paramOutTypes);
5601:	}
5602:
5603:	return null;
5604:	}
5605:
5606:	/**
5607:	* @param callable(Node $node, Scope $scope): void $nodeCallback
5608:	* @param Closure(MutatingScope $scope): ExpressionResult $processExprCallback
5609:	*/
5610:	private function processAssignVar(
5611:	MutatingScope $scope,
5612:	Node\Stmt $stmt,
5613:	Expr $var,
5614:	Expr $assignedExpr,
5615:	callable $nodeCallback,
5616:	ExpressionContext $context,
5617:	Closure $processExprCallback,
5618:	bool $enterExpressionAssign,
5619:	): ExpressionResult
5620:	{
5621:	$nodeCallback($var, $enterExpressionAssign ? $scope->enterExpressionAssign($var) : $scope);
5622:	$hasYield = false;
5623:	$throwPoints = [];
5624:	$impurePoints = [];
5625:	$isAlwaysTerminating = false;
5626:	$isAssignOp = $assignedExpr instanceof Expr\AssignOp && !$enterExpressionAssign;
5627:	if ($var instanceof Variable && is_string($var->name)) {
5628:	$result = $processExprCallback($scope);
5629:	$hasYield = $result->hasYield();
5630:	$throwPoints = $result->getThrowPoints();
5631:	$impurePoints = $result->getImpurePoints();
5632:	$isAlwaysTerminating = $result->isAlwaysTerminating();
5633:	if (in_array($var->name, Scope::SUPERGLOBAL_VARIABLES, true)) {
5634:	$impurePoints[] = new ImpurePoint($scope, $var, 'superglobal', 'assign to superglobal variable', true);
5635:	}
5636:	$assignedExpr = $this->unwrapAssign($assignedExpr);
5637:	$type = $scope->getType($assignedExpr);
5638:
5639:	$conditionalExpressions = [];
5640:	if ($assignedExpr instanceof Ternary) {
5641:	$if = $assignedExpr->if;
5642:	if ($if === null) {
5643:	$if = $assignedExpr->cond;
5644:	}
5645:	$condScope = $this->processExprNode($stmt, $assignedExpr->cond, $scope, static function (): void {
5646:	}, ExpressionContext::createDeep())->getScope();
5647:	$truthySpecifiedTypes = $this->typeSpecifier->specifyTypesInCondition($condScope, $assignedExpr->cond, TypeSpecifierContext::createTruthy());
5648:	$falseySpecifiedTypes = $this->typeSpecifier->specifyTypesInCondition($condScope, $assignedExpr->cond, TypeSpecifierContext::createFalsey());
5649:	$truthyScope = $condScope->filterBySpecifiedTypes($truthySpecifiedTypes);
5650:	$falsyScope = $condScope->filterBySpecifiedTypes($falseySpecifiedTypes);
5651:	$truthyType = $truthyScope->getType($if);
5652:	$falseyType = $falsyScope->getType($assignedExpr->else);
5653:
5654:	if (
5655:	$truthyType->isSuperTypeOf($falseyType)->no()
5656:	&& $falseyType->isSuperTypeOf($truthyType)->no()
5657:	) {
5658:	$conditionalExpressions = $this->processSureTypesForConditionalExpressionsAfterAssign($condScope, $var->name, $conditionalExpressions, $truthySpecifiedTypes, $truthyType);
5659:	$conditionalExpressions = $this->processSureNotTypesForConditionalExpressionsAfterAssign($condScope, $var->name, $conditionalExpressions, $truthySpecifiedTypes, $truthyType);
5660:	$conditionalExpressions = $this->processSureTypesForConditionalExpressionsAfterAssign($condScope, $var->name, $conditionalExpressions, $falseySpecifiedTypes, $falseyType);
5661:	$conditionalExpressions = $this->processSureNotTypesForConditionalExpressionsAfterAssign($condScope, $var->name, $conditionalExpressions, $falseySpecifiedTypes, $falseyType);
5662:	}
5663:	}
5664:
5665:	$scopeBeforeAssignEval = $scope;
5666:	$scope = $result->getScope();
5667:	$truthySpecifiedTypes = $this->typeSpecifier->specifyTypesInCondition($scope, $assignedExpr, TypeSpecifierContext::createTruthy());
5668:	$falseySpecifiedTypes = $this->typeSpecifier->specifyTypesInCondition($scope, $assignedExpr, TypeSpecifierContext::createFalsey());
5669:
5670:	$truthyType = TypeCombinator::removeFalsey($type);
5671:	$falseyType = TypeCombinator::intersect($type, StaticTypeFactory::falsey());
5672:
5673:	$conditionalExpressions = $this->processSureTypesForConditionalExpressionsAfterAssign($scope, $var->name, $conditionalExpressions, $truthySpecifiedTypes, $truthyType);
5674:	$conditionalExpressions = $this->processSureNotTypesForConditionalExpressionsAfterAssign($scope, $var->name, $conditionalExpressions, $truthySpecifiedTypes, $truthyType);
5675:	$conditionalExpressions = $this->processSureTypesForConditionalExpressionsAfterAssign($scope, $var->name, $conditionalExpressions, $falseySpecifiedTypes, $falseyType);
5676:	$conditionalExpressions = $this->processSureNotTypesForConditionalExpressionsAfterAssign($scope, $var->name, $conditionalExpressions, $falseySpecifiedTypes, $falseyType);
5677:
5678:	$nodeCallback(new VariableAssignNode($var, $assignedExpr), $scopeBeforeAssignEval);
5679:	$scope = $scope->assignVariable($var->name, $type, $scope->getNativeType($assignedExpr), TrinaryLogic::createYes());
5680:	foreach ($conditionalExpressions as $exprString => $holders) {
5681:	$scope = $scope->addConditionalExpressions($exprString, $holders);
5682:	}
5683:	} elseif ($var instanceof ArrayDimFetch) {
5684:	$dimFetchStack = [];
5685:	$originalVar = $var;
5686:	$assignedPropertyExpr = $assignedExpr;
5687:	while ($var instanceof ArrayDimFetch) {
5688:	if (
5689:	$var->var instanceof PropertyFetch
5690:	\|\| $var->var instanceof StaticPropertyFetch
5691:	) {
5692:	if (((new ObjectType(ArrayAccess::class))->isSuperTypeOf($scope->getType($var->var))->yes())) {
5693:	$varForSetOffsetValue = $var->var;
5694:	} else {
5695:	$varForSetOffsetValue = new OriginalPropertyTypeExpr($var->var);
5696:	}
5697:	} else {
5698:	$varForSetOffsetValue = $var->var;
5699:	}
5700:	$assignedPropertyExpr = new SetOffsetValueTypeExpr(
5701:	$varForSetOffsetValue,
5702:	$var->dim,
5703:	$assignedPropertyExpr,
5704:	);
5705:	$dimFetchStack[] = $var;
5706:	$var = $var->var;
5707:	}
5708:
5709:	// 1. eval root expr
5710:	if ($enterExpressionAssign) {
5711:	$scope = $scope->enterExpressionAssign($var);
5712:	}
5713:	$result = $this->processExprNode($stmt, $var, $scope, $nodeCallback, $context->enterDeep());
5714:	$hasYield = $result->hasYield();
5715:	$throwPoints = $result->getThrowPoints();
5716:	$impurePoints = $result->getImpurePoints();
5717:	$isAlwaysTerminating = $result->isAlwaysTerminating();
5718:	$scope = $result->getScope();
5719:	if ($enterExpressionAssign) {
5720:	$scope = $scope->exitExpressionAssign($var);
5721:	}
5722:
5723:	// 2. eval dimensions
5724:	$offsetTypes = [];
5725:	$offsetNativeTypes = [];
5726:	$dimFetchStack = array_reverse($dimFetchStack);
5727:	$lastDimKey = array_key_last($dimFetchStack);
5728:	foreach ($dimFetchStack as $key => $dimFetch) {
5729:	$dimExpr = $dimFetch->dim;
5730:
5731:	// Callback was already called for last dim at the beginning of the method.
5732:	if ($key !== $lastDimKey) {
5733:	$nodeCallback($dimFetch, $enterExpressionAssign ? $scope->enterExpressionAssign($dimFetch) : $scope);
5734:	}
5735:
5736:	if ($dimExpr === null) {
5737:	$offsetTypes[] = null;
5738:	$offsetNativeTypes[] = null;
5739:
5740:	} else {
5741:	$offsetTypes[] = $scope->getType($dimExpr);
5742:	$offsetNativeTypes[] = $scope->getNativeType($dimExpr);
5743:
5744:	if ($enterExpressionAssign) {
5745:	$scope->enterExpressionAssign($dimExpr);
5746:	}
5747:	$result = $this->processExprNode($stmt, $dimExpr, $scope, $nodeCallback, $context->enterDeep());
5748:	$hasYield = $hasYield \|\| $result->hasYield();
5749:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
5750:	$scope = $result->getScope();
5751:
5752:	if ($enterExpressionAssign) {
5753:	$scope = $scope->exitExpressionAssign($dimExpr);
5754:	}
5755:	}
5756:	}
5757:
5758:	$valueToWrite = $scope->getType($assignedExpr);
5759:	$nativeValueToWrite = $scope->getNativeType($assignedExpr);
5760:	$originalValueToWrite = $valueToWrite;
5761:	$originalNativeValueToWrite = $nativeValueToWrite;
5762:	$scopeBeforeAssignEval = $scope;
5763:
5764:	// 3. eval assigned expr
5765:	$result = $processExprCallback($scope);
5766:	$hasYield = $hasYield \|\| $result->hasYield();
5767:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
5768:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
5769:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
5770:	$scope = $result->getScope();
5771:
5772:	$varType = $scope->getType($var);
5773:	$varNativeType = $scope->getNativeType($var);
5774:
5775:	// 4. compose types
5776:	$isImplicitArrayCreation = $this->isImplicitArrayCreation($dimFetchStack, $scope);
5777:	if ($isImplicitArrayCreation->yes()) {
5778:	$varType = new ConstantArrayType([], []);
5779:	$varNativeType = new ConstantArrayType([], []);
5780:	}
5781:	$offsetValueType = $varType;
5782:	$offsetNativeValueType = $varNativeType;
5783:
5784:	$valueToWrite = $this->produceArrayDimFetchAssignValueToWrite($dimFetchStack, $offsetTypes, $offsetValueType, $valueToWrite, $scope);
5785:
5786:	if (!$offsetValueType->equals($offsetNativeValueType) \|\| !$valueToWrite->equals($nativeValueToWrite)) {
5787:	$nativeValueToWrite = $this->produceArrayDimFetchAssignValueToWrite($dimFetchStack, $offsetNativeTypes, $offsetNativeValueType, $nativeValueToWrite, $scope);
5788:	} else {
5789:	$rewritten = false;
5790:	foreach ($offsetTypes as $i => $offsetType) {
5791:	$offsetNativeType = $offsetNativeTypes[$i];
5792:
5793:	if ($offsetType === null) {
5794:	if ($offsetNativeType !== null) {
5795:	throw new ShouldNotHappenException();
5796:	}
5797:
5798:	continue;
5799:	} elseif ($offsetNativeType === null) {
5800:	throw new ShouldNotHappenException();
5801:	}
5802:	if ($offsetType->equals($offsetNativeType)) {
5803:	continue;
5804:	}
5805:
5806:	$nativeValueToWrite = $this->produceArrayDimFetchAssignValueToWrite($dimFetchStack, $offsetNativeTypes, $offsetNativeValueType, $nativeValueToWrite, $scope);
5807:	$rewritten = true;
5808:	break;
5809:	}
5810:
5811:	if (!$rewritten) {
5812:	$nativeValueToWrite = $valueToWrite;
5813:	}
5814:	}
5815:
5816:	if ($varType->isArray()->yes() \|\| !(new ObjectType(ArrayAccess::class))->isSuperTypeOf($varType)->yes()) {
5817:	if ($var instanceof Variable && is_string($var->name)) {
5818:	$nodeCallback(new VariableAssignNode($var, $assignedPropertyExpr), $scopeBeforeAssignEval);
5819:	$scope = $scope->assignVariable($var->name, $valueToWrite, $nativeValueToWrite, TrinaryLogic::createYes());
5820:	} else {
5821:	if ($var instanceof PropertyFetch \|\| $var instanceof StaticPropertyFetch) {
5822:	$nodeCallback(new PropertyAssignNode($var, $assignedPropertyExpr, $isAssignOp), $scopeBeforeAssignEval);
5823:	if ($var instanceof PropertyFetch && $var->name instanceof Node\Identifier && !$isAssignOp) {
5824:	$scope = $scope->assignInitializedProperty($scope->getType($var->var), $var->name->toString());
5825:	}
5826:	}
5827:	$scope = $scope->assignExpression(
5828:	$var,
5829:	$valueToWrite,
5830:	$nativeValueToWrite,
5831:	);
5832:	}
5833:
5834:	if ($originalVar->dim instanceof Variable \|\| $originalVar->dim instanceof Node\Scalar) {
5835:	$currentVarType = $scope->getType($originalVar);
5836:	$currentVarNativeType = $scope->getNativeType($originalVar);
5837:	if (
5838:	!$originalValueToWrite->isSuperTypeOf($currentVarType)->yes()
5839:	\|\| !$originalNativeValueToWrite->isSuperTypeOf($currentVarNativeType)->yes()
5840:	) {
5841:	$scope = $scope->assignExpression(
5842:	$originalVar,
5843:	$originalValueToWrite,
5844:	$originalNativeValueToWrite,
5845:	);
5846:	}
5847:	}
5848:	} else {
5849:	if ($var instanceof Variable) {
5850:	$nodeCallback(new VariableAssignNode($var, $assignedPropertyExpr), $scopeBeforeAssignEval);
5851:	} elseif ($var instanceof PropertyFetch \|\| $var instanceof StaticPropertyFetch) {
5852:	$nodeCallback(new PropertyAssignNode($var, $assignedPropertyExpr, $isAssignOp), $scopeBeforeAssignEval);
5853:	if ($var instanceof PropertyFetch && $var->name instanceof Node\Identifier && !$isAssignOp) {
5854:	$scope = $scope->assignInitializedProperty($scope->getType($var->var), $var->name->toString());
5855:	}
5856:	}
5857:	}
5858:
5859:	if (!$varType->isArray()->yes() && !(new ObjectType(ArrayAccess::class))->isSuperTypeOf($varType)->no()) {
5860:	$throwPoints = array_merge($throwPoints, $this->processExprNode(
5861:	$stmt,
5862:	new MethodCall($var, 'offsetSet'),
5863:	$scope,
5864:	static function (): void {
5865:	},
5866:	$context,
5867:	)->getThrowPoints());
5868:	}
5869:	} elseif ($var instanceof PropertyFetch) {
5870:	$objectResult = $this->processExprNode($stmt, $var->var, $scope, $nodeCallback, $context);
5871:	$hasYield = $objectResult->hasYield();
5872:	$throwPoints = $objectResult->getThrowPoints();
5873:	$impurePoints = $objectResult->getImpurePoints();
5874:	$isAlwaysTerminating = $objectResult->isAlwaysTerminating();
5875:	$scope = $objectResult->getScope();
5876:
5877:	$propertyName = null;
5878:	if ($var->name instanceof Node\Identifier) {
5879:	$propertyName = $var->name->name;
5880:	} else {
5881:	$propertyNameResult = $this->processExprNode($stmt, $var->name, $scope, $nodeCallback, $context);
5882:	$hasYield = $hasYield \|\| $propertyNameResult->hasYield();
5883:	$throwPoints = array_merge($throwPoints, $propertyNameResult->getThrowPoints());
5884:	$impurePoints = array_merge($impurePoints, $propertyNameResult->getImpurePoints());
5885:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $propertyNameResult->isAlwaysTerminating();
5886:	$scope = $propertyNameResult->getScope();
5887:	}
5888:
5889:	$scopeBeforeAssignEval = $scope;
5890:	$result = $processExprCallback($scope);
5891:	$hasYield = $hasYield \|\| $result->hasYield();
5892:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
5893:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
5894:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
5895:	$scope = $result->getScope();
5896:
5897:	if ($var->name instanceof Expr && $this->phpVersion->supportsPropertyHooks()) {
5898:	$throwPoints[] = ThrowPoint::createImplicit($scope, $var);
5899:	}
5900:
5901:	$propertyHolderType = $scope->getType($var->var);
5902:	if ($propertyName !== null && $propertyHolderType->hasInstanceProperty($propertyName)->yes()) {
5903:	$propertyReflection = $propertyHolderType->getInstanceProperty($propertyName, $scope);
5904:	$assignedExprType = $scope->getType($assignedExpr);
5905:	$nodeCallback(new PropertyAssignNode($var, $assignedExpr, $isAssignOp), $scopeBeforeAssignEval);
5906:	if ($propertyReflection->canChangeTypeAfterAssignment()) {
5907:	if ($propertyReflection->hasNativeType()) {
5908:	$propertyNativeType = $propertyReflection->getNativeType();
5909:
5910:	$assignedTypeIsCompatible = $propertyNativeType->isSuperTypeOf($assignedExprType)->yes();
5911:	if (!$assignedTypeIsCompatible) {
5912:	foreach (TypeUtils::flattenTypes($propertyNativeType) as $type) {
5913:	if ($type->isSuperTypeOf($assignedExprType)->yes()) {
5914:	$assignedTypeIsCompatible = true;
5915:	break;
5916:	}
5917:	}
5918:	}
5919:
5920:	if ($assignedTypeIsCompatible) {
5921:	$scope = $scope->assignExpression($var, $assignedExprType, $scope->getNativeType($assignedExpr));
5922:	} else {
5923:	$scope = $scope->assignExpression(
5924:	$var,
5925:	TypeCombinator::intersect($assignedExprType->toCoercedArgumentType($scope->isDeclareStrictTypes()), $propertyNativeType),
5926:	TypeCombinator::intersect($scope->getNativeType($assignedExpr)->toCoercedArgumentType($scope->isDeclareStrictTypes()), $propertyNativeType),
5927:	);
5928:	}
5929:	} else {
5930:	$scope = $scope->assignExpression($var, $assignedExprType, $scope->getNativeType($assignedExpr));
5931:	}
5932:	}
5933:	$declaringClass = $propertyReflection->getDeclaringClass();
5934:	if ($declaringClass->hasNativeProperty($propertyName)) {
5935:	$nativeProperty = $declaringClass->getNativeProperty($propertyName);
5936:	if (
5937:	!$nativeProperty->getNativeType()->accepts($assignedExprType, true)->yes()
5938:	) {
5939:	$throwPoints[] = ThrowPoint::createExplicit($scope, new ObjectType(TypeError::class), $assignedExpr, false);
5940:	}
5941:	if ($this->phpVersion->supportsPropertyHooks()) {
5942:	$throwPoints = array_merge($throwPoints, $this->getPropertyAssignThrowPointsFromSetHook($scope, $var, $nativeProperty));
5943:	}
5944:	if ($enterExpressionAssign) {
5945:	$scope = $scope->assignInitializedProperty($propertyHolderType, $propertyName);
5946:	}
5947:	}
5948:	} else {
5949:	// fallback
5950:	$assignedExprType = $scope->getType($assignedExpr);
5951:	$nodeCallback(new PropertyAssignNode($var, $assignedExpr, $isAssignOp), $scopeBeforeAssignEval);
5952:	$scope = $scope->assignExpression($var, $assignedExprType, $scope->getNativeType($assignedExpr));
5953:	// simulate dynamic property assign by __set to get throw points
5954:	if (!$propertyHolderType->hasMethod('__set')->no()) {
5955:	$throwPoints = array_merge($throwPoints, $this->processExprNode(
5956:	$stmt,
5957:	new MethodCall($var->var, '__set'),
5958:	$scope,
5959:	static function (): void {
5960:	},
5961:	$context,
5962:	)->getThrowPoints());
5963:	}
5964:	}
5965:
5966:	} elseif ($var instanceof Expr\StaticPropertyFetch) {
5967:	if ($var->class instanceof Node\Name) {
5968:	$propertyHolderType = $scope->resolveTypeByName($var->class);
5969:	} else {
5970:	$this->processExprNode($stmt, $var->class, $scope, $nodeCallback, $context);
5971:	$propertyHolderType = $scope->getType($var->class);
5972:	}
5973:
5974:	$propertyName = null;
5975:	if ($var->name instanceof Node\Identifier) {
5976:	$propertyName = $var->name->name;
5977:	} else {
5978:	$propertyNameResult = $this->processExprNode($stmt, $var->name, $scope, $nodeCallback, $context);
5979:	$hasYield = $propertyNameResult->hasYield();
5980:	$throwPoints = $propertyNameResult->getThrowPoints();
5981:	$impurePoints = $propertyNameResult->getImpurePoints();
5982:	$isAlwaysTerminating = $propertyNameResult->isAlwaysTerminating();
5983:	$scope = $propertyNameResult->getScope();
5984:	}
5985:
5986:	$scopeBeforeAssignEval = $scope;
5987:	$result = $processExprCallback($scope);
5988:	$hasYield = $hasYield \|\| $result->hasYield();
5989:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
5990:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
5991:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
5992:	$scope = $result->getScope();
5993:
5994:	if ($propertyName !== null) {
5995:	$propertyReflection = $scope->getStaticPropertyReflection($propertyHolderType, $propertyName);
5996:	$assignedExprType = $scope->getType($assignedExpr);
5997:	$nodeCallback(new PropertyAssignNode($var, $assignedExpr, $isAssignOp), $scopeBeforeAssignEval);
5998:	if ($propertyReflection !== null && $propertyReflection->canChangeTypeAfterAssignment()) {
5999:	if ($propertyReflection->hasNativeType()) {
6000:	$propertyNativeType = $propertyReflection->getNativeType();
6001:	$assignedTypeIsCompatible = $propertyNativeType->isSuperTypeOf($assignedExprType)->yes();
6002:
6003:	if (!$assignedTypeIsCompatible) {
6004:	foreach (TypeUtils::flattenTypes($propertyNativeType) as $type) {
6005:	if ($type->isSuperTypeOf($assignedExprType)->yes()) {
6006:	$assignedTypeIsCompatible = true;
6007:	break;
6008:	}
6009:	}
6010:	}
6011:
6012:	if ($assignedTypeIsCompatible) {
6013:	$scope = $scope->assignExpression($var, $assignedExprType, $scope->getNativeType($assignedExpr));
6014:	} else {
6015:	$scope = $scope->assignExpression(
6016:	$var,
6017:	TypeCombinator::intersect($assignedExprType->toCoercedArgumentType($scope->isDeclareStrictTypes()), $propertyNativeType),
6018:	TypeCombinator::intersect($scope->getNativeType($assignedExpr)->toCoercedArgumentType($scope->isDeclareStrictTypes()), $propertyNativeType),
6019:	);
6020:	}
6021:	} else {
6022:	$scope = $scope->assignExpression($var, $assignedExprType, $scope->getNativeType($assignedExpr));
6023:	}
6024:	}
6025:	} else {
6026:	// fallback
6027:	$assignedExprType = $scope->getType($assignedExpr);
6028:	$nodeCallback(new PropertyAssignNode($var, $assignedExpr, $isAssignOp), $scopeBeforeAssignEval);
6029:	$scope = $scope->assignExpression($var, $assignedExprType, $scope->getNativeType($assignedExpr));
6030:	}
6031:	} elseif ($var instanceof List_) {
6032:	$result = $processExprCallback($scope);
6033:	$hasYield = $result->hasYield();
6034:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
6035:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
6036:	$isAlwaysTerminating = $result->isAlwaysTerminating();
6037:	$scope = $result->getScope();
6038:	foreach ($var->items as $i => $arrayItem) {
6039:	if ($arrayItem === null) {
6040:	continue;
6041:	}
6042:
6043:	$itemScope = $scope;
6044:	if ($enterExpressionAssign) {
6045:	$itemScope = $itemScope->enterExpressionAssign($arrayItem->value);
6046:	}
6047:	$itemScope = $this->lookForSetAllowedUndefinedExpressions($itemScope, $arrayItem->value);
6048:	$nodeCallback($arrayItem, $itemScope);
6049:	if ($arrayItem->key !== null) {
6050:	$keyResult = $this->processExprNode($stmt, $arrayItem->key, $itemScope, $nodeCallback, $context->enterDeep());
6051:	$hasYield = $hasYield \|\| $keyResult->hasYield();
6052:	$throwPoints = array_merge($throwPoints, $keyResult->getThrowPoints());
6053:	$impurePoints = array_merge($impurePoints, $keyResult->getImpurePoints());
6054:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $keyResult->isAlwaysTerminating();
6055:	$itemScope = $keyResult->getScope();
6056:	}
6057:
6058:	$valueResult = $this->processExprNode($stmt, $arrayItem->value, $itemScope, $nodeCallback, $context->enterDeep());
6059:	$hasYield = $hasYield \|\| $valueResult->hasYield();
6060:	$throwPoints = array_merge($throwPoints, $valueResult->getThrowPoints());
6061:	$impurePoints = array_merge($impurePoints, $valueResult->getImpurePoints());
6062:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $valueResult->isAlwaysTerminating();
6063:
6064:	if ($arrayItem->key === null) {
6065:	$dimExpr = new Node\Scalar\Int_($i);
6066:	} else {
6067:	$dimExpr = $arrayItem->key;
6068:	}
6069:	$result = $this->processAssignVar(
6070:	$scope,
6071:	$stmt,
6072:	$arrayItem->value,
6073:	new GetOffsetValueTypeExpr($assignedExpr, $dimExpr),
6074:	$nodeCallback,
6075:	$context,
6076:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
6077:	$enterExpressionAssign,
6078:	);
6079:	$scope = $result->getScope();
6080:	$hasYield = $hasYield \|\| $result->hasYield();
6081:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
6082:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
6083:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
6084:	}
6085:	} elseif ($var instanceof ExistingArrayDimFetch) {
6086:	$dimFetchStack = [];
6087:	$assignedPropertyExpr = $assignedExpr;
6088:	while ($var instanceof ExistingArrayDimFetch) {
6089:	if (
6090:	$var->getVar() instanceof PropertyFetch
6091:	\|\| $var->getVar() instanceof StaticPropertyFetch
6092:	) {
6093:	if (((new ObjectType(ArrayAccess::class))->isSuperTypeOf($scope->getType($var->getVar()))->yes())) {
6094:	$varForSetOffsetValue = $var->getVar();
6095:	} else {
6096:	$varForSetOffsetValue = new OriginalPropertyTypeExpr($var->getVar());
6097:	}
6098:	} else {
6099:	$varForSetOffsetValue = $var->getVar();
6100:	}
6101:	$assignedPropertyExpr = new SetExistingOffsetValueTypeExpr(
6102:	$varForSetOffsetValue,
6103:	$var->getDim(),
6104:	$assignedPropertyExpr,
6105:	);
6106:	$dimFetchStack[] = $var;
6107:	$var = $var->getVar();
6108:	}
6109:
6110:	$offsetTypes = [];
6111:	$offsetNativeTypes = [];
6112:	foreach (array_reverse($dimFetchStack) as $dimFetch) {
6113:	$dimExpr = $dimFetch->getDim();
6114:	$offsetTypes[] = $scope->getType($dimExpr);
6115:	$offsetNativeTypes[] = $scope->getNativeType($dimExpr);
6116:	}
6117:
6118:	$valueToWrite = $scope->getType($assignedExpr);
6119:	$nativeValueToWrite = $scope->getNativeType($assignedExpr);
6120:	$varType = $scope->getType($var);
6121:	$varNativeType = $scope->getNativeType($var);
6122:
6123:	$offsetValueType = $varType;
6124:	$offsetNativeValueType = $varNativeType;
6125:	$offsetValueTypeStack = [$offsetValueType];
6126:	$offsetValueNativeTypeStack = [$offsetNativeValueType];
6127:	foreach (array_slice($offsetTypes, 0, -1) as $offsetType) {
6128:	$offsetValueType = $offsetValueType->getOffsetValueType($offsetType);
6129:	$offsetValueTypeStack[] = $offsetValueType;
6130:	}
6131:	foreach (array_slice($offsetNativeTypes, 0, -1) as $offsetNativeType) {
6132:	$offsetNativeValueType = $offsetNativeValueType->getOffsetValueType($offsetNativeType);
6133:	$offsetValueNativeTypeStack[] = $offsetNativeValueType;
6134:	}
6135:
6136:	foreach (array_reverse($offsetTypes) as $offsetType) {
6137:	/** @var Type $offsetValueType */
6138:	$offsetValueType = array_pop($offsetValueTypeStack);
6139:	$valueToWrite = $offsetValueType->setExistingOffsetValueType($offsetType, $valueToWrite);
6140:	}
6141:	foreach (array_reverse($offsetNativeTypes) as $offsetNativeType) {
6142:	/** @var Type $offsetNativeValueType */
6143:	$offsetNativeValueType = array_pop($offsetValueNativeTypeStack);
6144:	$nativeValueToWrite = $offsetNativeValueType->setExistingOffsetValueType($offsetNativeType, $nativeValueToWrite);
6145:	}
6146:
6147:	if ($var instanceof Variable && is_string($var->name)) {
6148:	$nodeCallback(new VariableAssignNode($var, $assignedPropertyExpr), $scope);
6149:	$scope = $scope->assignVariable($var->name, $valueToWrite, $nativeValueToWrite, TrinaryLogic::createYes());
6150:	} else {
6151:	if ($var instanceof PropertyFetch \|\| $var instanceof StaticPropertyFetch) {
6152:	$nodeCallback(new PropertyAssignNode($var, $assignedPropertyExpr, $isAssignOp), $scope);
6153:	}
6154:	$scope = $scope->assignExpression(
6155:	$var,
6156:	$valueToWrite,
6157:	$nativeValueToWrite,
6158:	);
6159:	}
6160:	}
6161:
6162:	return new ExpressionResult($scope, $hasYield, $isAlwaysTerminating, $throwPoints, $impurePoints);
6163:	}
6164:
6165:	/**
6166:	* @param list<ArrayDimFetch> $dimFetchStack
6167:	*/
6168:	private function isImplicitArrayCreation(array $dimFetchStack, Scope $scope): TrinaryLogic
6169:	{
6170:	if (count($dimFetchStack) === 0) {
6171:	return TrinaryLogic::createNo();
6172:	}
6173:
6174:	$varNode = $dimFetchStack[0]->var;
6175:	if (!$varNode instanceof Variable) {
6176:	return TrinaryLogic::createNo();
6177:	}
6178:
6179:	if (!is_string($varNode->name)) {
6180:	return TrinaryLogic::createNo();
6181:	}
6182:
6183:	return $scope->hasVariableType($varNode->name)->negate();
6184:	}
6185:
6186:	/**
6187:	* @param list<ArrayDimFetch> $dimFetchStack
6188:	* @param list<Type\|null> $offsetTypes
6189:	*/
6190:	private function produceArrayDimFetchAssignValueToWrite(array $dimFetchStack, array $offsetTypes, Type $offsetValueType, Type $valueToWrite, Scope $scope): Type
6191:	{
6192:	$offsetValueTypeStack = [$offsetValueType];
6193:	foreach (array_slice($offsetTypes, 0, -1) as $offsetType) {
6194:	if ($offsetType === null) {
6195:	$offsetValueType = new ConstantArrayType([], []);
6196:
6197:	} else {
6198:	$offsetValueType = $offsetValueType->getOffsetValueType($offsetType);
6199:	if ($offsetValueType instanceof ErrorType) {
6200:	$offsetValueType = new ConstantArrayType([], []);
6201:	}
6202:	}
6203:
6204:	$offsetValueTypeStack[] = $offsetValueType;
6205:	}
6206:
6207:	foreach (array_reverse($offsetTypes) as $i => $offsetType) {
6208:	/** @var Type $offsetValueType */
6209:	$offsetValueType = array_pop($offsetValueTypeStack);
6210:	if (
6211:	!$offsetValueType instanceof MixedType
6212:	&& !$offsetValueType->isConstantArray()->yes()
6213:	) {
6214:	$types = [
6215:	new ArrayType(new MixedType(), new MixedType()),
6216:	new ObjectType(ArrayAccess::class),
6217:	new NullType(),
6218:	];
6219:	if ($offsetType !== null && $offsetType->isInteger()->yes()) {
6220:	$types[] = new StringType();
6221:	}
6222:	$offsetValueType = TypeCombinator::intersect($offsetValueType, TypeCombinator::union(...$types));
6223:	}
6224:
6225:	$arrayDimFetch = $dimFetchStack[$i] ?? null;
6226:	if (
6227:	$offsetType !== null
6228:	&& $arrayDimFetch !== null
6229:	&& $scope->hasExpressionType($arrayDimFetch)->yes()
6230:	) {
6231:	$hasOffsetType = null;
6232:	if ($offsetType instanceof ConstantStringType \|\| $offsetType instanceof ConstantIntegerType) {
6233:	$hasOffsetType = new HasOffsetValueType($offsetType, $valueToWrite);
6234:	}
6235:	$valueToWrite = $offsetValueType->setExistingOffsetValueType($offsetType, $valueToWrite);
6236:
6237:	if ($valueToWrite->isArray()->yes()) {
6238:	if ($hasOffsetType !== null) {
6239:	$valueToWrite = TypeCombinator::intersect(
6240:	$valueToWrite,
6241:	$hasOffsetType,
6242:	);
6243:	} else {
6244:	$valueToWrite = TypeCombinator::intersect(
6245:	$valueToWrite,
6246:	new NonEmptyArrayType(),
6247:	);
6248:	}
6249:	}
6250:
6251:	} else {
6252:	$valueToWrite = $offsetValueType->setOffsetValueType($offsetType, $valueToWrite, $i === 0);
6253:	}
6254:
6255:	if ($arrayDimFetch === null \|\| !$offsetValueType->isList()->yes()) {
6256:	continue;
6257:	}
6258:
6259:	if ($scope->hasExpressionType($arrayDimFetch)->yes()) { // keep list for $list[$index] assignments
6260:	$valueToWrite = TypeCombinator::intersect($valueToWrite, new AccessoryArrayListType());
6261:	} elseif ($arrayDimFetch->dim instanceof BinaryOp\Plus) {
6262:	if ( // keep list for $list[$index + 1] assignments
6263:	$arrayDimFetch->dim->right instanceof Variable
6264:	&& $arrayDimFetch->dim->left instanceof Node\Scalar\Int_
6265:	&& $arrayDimFetch->dim->left->value === 1
6266:	&& $scope->hasExpressionType(new ArrayDimFetch($arrayDimFetch->var, $arrayDimFetch->dim->right))->yes()
6267:	) {
6268:	$valueToWrite = TypeCombinator::intersect($valueToWrite, new AccessoryArrayListType());
6269:	} elseif ( // keep list for $list[1 + $index] assignments
6270:	$arrayDimFetch->dim->left instanceof Variable
6271:	&& $arrayDimFetch->dim->right instanceof Node\Scalar\Int_
6272:	&& $arrayDimFetch->dim->right->value === 1
6273:	&& $scope->hasExpressionType(new ArrayDimFetch($arrayDimFetch->var, $arrayDimFetch->dim->left))->yes()
6274:	) {
6275:	$valueToWrite = TypeCombinator::intersect($valueToWrite, new AccessoryArrayListType());
6276:	}
6277:	}
6278:	}
6279:
6280:	return $valueToWrite;
6281:	}
6282:
6283:	private function unwrapAssign(Expr $expr): Expr
6284:	{
6285:	if ($expr instanceof Assign) {
6286:	return $this->unwrapAssign($expr->expr);
6287:	}
6288:
6289:	return $expr;
6290:	}
6291:
6292:	/**
6293:	* @param array<string, ConditionalExpressionHolder[]> $conditionalExpressions
6294:	* @return array<string, ConditionalExpressionHolder[]>
6295:	*/
6296:	private function processSureTypesForConditionalExpressionsAfterAssign(Scope $scope, string $variableName, array $conditionalExpressions, SpecifiedTypes $specifiedTypes, Type $variableType): array
6297:	{
6298:	foreach ($specifiedTypes->getSureTypes() as $exprString => [$expr, $exprType]) {
6299:	if (!$expr instanceof Variable) {
6300:	continue;
6301:	}
6302:	if (!is_string($expr->name)) {
6303:	continue;
6304:	}
6305:
6306:	if ($expr->name === $variableName) {
6307:	continue;
6308:	}
6309:
6310:	if (!isset($conditionalExpressions[$exprString])) {
6311:	$conditionalExpressions[$exprString] = [];
6312:	}
6313:
6314:	$holder = new ConditionalExpressionHolder([
6315:	'$' . $variableName => ExpressionTypeHolder::createYes(new Variable($variableName), $variableType),
6316:	], ExpressionTypeHolder::createYes(
6317:	$expr,
6318:	TypeCombinator::intersect($scope->getType($expr), $exprType),
6319:	));
6320:	$conditionalExpressions[$exprString][$holder->getKey()] = $holder;
6321:	}
6322:
6323:	return $conditionalExpressions;
6324:	}
6325:
6326:	/**
6327:	* @param array<string, ConditionalExpressionHolder[]> $conditionalExpressions
6328:	* @return array<string, ConditionalExpressionHolder[]>
6329:	*/
6330:	private function processSureNotTypesForConditionalExpressionsAfterAssign(Scope $scope, string $variableName, array $conditionalExpressions, SpecifiedTypes $specifiedTypes, Type $variableType): array
6331:	{
6332:	foreach ($specifiedTypes->getSureNotTypes() as $exprString => [$expr, $exprType]) {
6333:	if (!$expr instanceof Variable) {
6334:	continue;
6335:	}
6336:	if (!is_string($expr->name)) {
6337:	continue;
6338:	}
6339:
6340:	if ($expr->name === $variableName) {
6341:	continue;
6342:	}
6343:
6344:	if (!isset($conditionalExpressions[$exprString])) {
6345:	$conditionalExpressions[$exprString] = [];
6346:	}
6347:
6348:	$holder = new ConditionalExpressionHolder([
6349:	'$' . $variableName => ExpressionTypeHolder::createYes(new Variable($variableName), $variableType),
6350:	], ExpressionTypeHolder::createYes(
6351:	$expr,
6352:	TypeCombinator::remove($scope->getType($expr), $exprType),
6353:	));
6354:	$conditionalExpressions[$exprString][$holder->getKey()] = $holder;
6355:	}
6356:
6357:	return $conditionalExpressions;
6358:	}
6359:
6360:	/**
6361:	* @param callable(Node $node, Scope $scope): void $nodeCallback
6362:	*/
6363:	private function processStmtVarAnnotation(MutatingScope $scope, Node\Stmt $stmt, ?Expr $defaultExpr, callable $nodeCallback): MutatingScope
6364:	{
6365:	$function = $scope->getFunction();
6366:	$variableLessTags = [];
6367:
6368:	foreach ($stmt->getComments() as $comment) {
6369:	if (!$comment instanceof Doc) {
6370:	continue;
6371:	}
6372:
6373:	$resolvedPhpDoc = $this->fileTypeMapper->getResolvedPhpDoc(
6374:	$scope->getFile(),
6375:	$scope->isInClass() ? $scope->getClassReflection()->getName() : null,
6376:	$scope->isInTrait() ? $scope->getTraitReflection()->getName() : null,
6377:	$function !== null ? $function->getName() : null,
6378:	$comment->getText(),
6379:	);
6380:
6381:	$assignedVariable = null;
6382:	if (
6383:	$stmt instanceof Node\Stmt\Expression
6384:	&& ($stmt->expr instanceof Assign \|\| $stmt->expr instanceof AssignRef)
6385:	&& $stmt->expr->var instanceof Variable
6386:	&& is_string($stmt->expr->var->name)
6387:	) {
6388:	$assignedVariable = $stmt->expr->var->name;
6389:	}
6390:
6391:	foreach ($resolvedPhpDoc->getVarTags() as $name => $varTag) {
6392:	if (is_int($name)) {
6393:	$variableLessTags[] = $varTag;
6394:	continue;
6395:	}
6396:
6397:	if ($name === $assignedVariable) {
6398:	continue;
6399:	}
6400:
6401:	$certainty = $scope->hasVariableType($name);
6402:	if ($certainty->no()) {
6403:	continue;
6404:	}
6405:
6406:	if ($scope->isInClass() && $scope->getFunction() === null) {
6407:	continue;
6408:	}
6409:
6410:	if ($scope->canAnyVariableExist()) {
6411:	$certainty = TrinaryLogic::createYes();
6412:	}
6413:
6414:	$variableNode = new Variable($name, $stmt->getAttributes());
6415:	$originalType = $scope->getVariableType($name);
6416:	if (!$originalType->equals($varTag->getType())) {
6417:	$nodeCallback(new VarTagChangedExpressionTypeNode($varTag, $variableNode), $scope);
6418:	}
6419:
6420:	$scope = $scope->assignVariable(
6421:	$name,
6422:	$varTag->getType(),
6423:	$scope->getNativeType($variableNode),
6424:	$certainty,
6425:	);
6426:	}
6427:	}
6428:
6429:	if (count($variableLessTags) === 1 && $defaultExpr !== null) {
6430:	$originalType = $scope->getType($defaultExpr);
6431:	$varTag = $variableLessTags[0];
6432:	if (!$originalType->equals($varTag->getType())) {
6433:	$nodeCallback(new VarTagChangedExpressionTypeNode($varTag, $defaultExpr), $scope);
6434:	}
6435:	$scope = $scope->assignExpression($defaultExpr, $varTag->getType(), new MixedType());
6436:	}
6437:
6438:	return $scope;
6439:	}
6440:
6441:	/**
6442:	* @param array<int, string> $variableNames
6443:	*/
6444:	private function processVarAnnotation(MutatingScope $scope, array $variableNames, Node\Stmt $node, bool &$changed = false): MutatingScope
6445:	{
6446:	$function = $scope->getFunction();
6447:	$varTags = [];
6448:	foreach ($node->getComments() as $comment) {
6449:	if (!$comment instanceof Doc) {
6450:	continue;
6451:	}
6452:
6453:	$resolvedPhpDoc = $this->fileTypeMapper->getResolvedPhpDoc(
6454:	$scope->getFile(),
6455:	$scope->isInClass() ? $scope->getClassReflection()->getName() : null,
6456:	$scope->isInTrait() ? $scope->getTraitReflection()->getName() : null,
6457:	$function !== null ? $function->getName() : null,
6458:	$comment->getText(),
6459:	);
6460:	foreach ($resolvedPhpDoc->getVarTags() as $key => $varTag) {
6461:	$varTags[$key] = $varTag;
6462:	}
6463:	}
6464:
6465:	if (count($varTags) === 0) {
6466:	return $scope;
6467:	}
6468:
6469:	foreach ($variableNames as $variableName) {
6470:	if (!isset($varTags[$variableName])) {
6471:	continue;
6472:	}
6473:
6474:	$variableType = $varTags[$variableName]->getType();
6475:	$changed = true;
6476:	$scope = $scope->assignVariable($variableName, $variableType, new MixedType(), TrinaryLogic::createYes());
6477:	}
6478:
6479:	if (count($variableNames) === 1 && count($varTags) === 1 && isset($varTags[0])) {
6480:	$variableType = $varTags[0]->getType();
6481:	$changed = true;
6482:	$scope = $scope->assignVariable($variableNames[0], $variableType, new MixedType(), TrinaryLogic::createYes());
6483:	}
6484:
6485:	return $scope;
6486:	}
6487:
6488:	private function enterForeach(MutatingScope $scope, MutatingScope $originalScope, Foreach_ $stmt): MutatingScope
6489:	{
6490:	if ($stmt->expr instanceof Variable && is_string($stmt->expr->name)) {
6491:	$scope = $this->processVarAnnotation($scope, [$stmt->expr->name], $stmt);
6492:	}
6493:
6494:	$iterateeType = $originalScope->getType($stmt->expr);
6495:	if (
6496:	($stmt->valueVar instanceof Variable && is_string($stmt->valueVar->name))
6497:	&& ($stmt->keyVar === null \|\| ($stmt->keyVar instanceof Variable && is_string($stmt->keyVar->name)))
6498:	) {
6499:	$keyVarName = null;
6500:	if ($stmt->keyVar instanceof Variable && is_string($stmt->keyVar->name)) {
6501:	$keyVarName = $stmt->keyVar->name;
6502:	}
6503:	$scope = $scope->enterForeach(
6504:	$originalScope,
6505:	$stmt->expr,
6506:	$stmt->valueVar->name,
6507:	$keyVarName,
6508:	);
6509:	$vars = [$stmt->valueVar->name];
6510:	if ($keyVarName !== null) {
6511:	$vars[] = $keyVarName;
6512:	}
6513:	} else {
6514:	$scope = $this->processAssignVar(
6515:	$scope,
6516:	$stmt,
6517:	$stmt->valueVar,
6518:	new GetIterableValueTypeExpr($stmt->expr),
6519:	static function (): void {
6520:	},
6521:	ExpressionContext::createDeep(),
6522:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
6523:	true,
6524:	)->getScope();
6525:	$vars = $this->getAssignedVariables($stmt->valueVar);
6526:	if (
6527:	$stmt->keyVar instanceof Variable && is_string($stmt->keyVar->name)
6528:	) {
6529:	$scope = $scope->enterForeachKey($originalScope, $stmt->expr, $stmt->keyVar->name);
6530:	$vars[] = $stmt->keyVar->name;
6531:	} elseif ($stmt->keyVar !== null) {
6532:	$scope = $this->processAssignVar(
6533:	$scope,
6534:	$stmt,
6535:	$stmt->keyVar,
6536:	new GetIterableKeyTypeExpr($stmt->expr),
6537:	static function (): void {
6538:	},
6539:	ExpressionContext::createDeep(),
6540:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
6541:	true,
6542:	)->getScope();
6543:	$vars = array_merge($vars, $this->getAssignedVariables($stmt->keyVar));
6544:	}
6545:	}
6546:
6547:	$constantArrays = $iterateeType->getConstantArrays();
6548:	if (
6549:	$stmt->getDocComment() === null
6550:	&& $iterateeType->isConstantArray()->yes()
6551:	&& count($constantArrays) === 1
6552:	&& $stmt->valueVar instanceof Variable && is_string($stmt->valueVar->name)
6553:	&& $stmt->keyVar instanceof Variable && is_string($stmt->keyVar->name)
6554:	) {
6555:	$valueConditionalHolders = [];
6556:	$arrayDimFetchConditionalHolders = [];
6557:	foreach ($constantArrays[0]->getKeyTypes() as $i => $keyType) {
6558:	$valueType = $constantArrays[0]->getValueTypes()[$i];
6559:	$holder = new ConditionalExpressionHolder([
6560:	'$' . $stmt->keyVar->name => ExpressionTypeHolder::createYes(new Variable($stmt->keyVar->name), $keyType),
6561:	], new ExpressionTypeHolder($stmt->valueVar, $valueType, TrinaryLogic::createYes()));
6562:	$valueConditionalHolders[$holder->getKey()] = $holder;
6563:	$arrayDimFetchHolder = new ConditionalExpressionHolder([
6564:	'$' . $stmt->keyVar->name => ExpressionTypeHolder::createYes(new Variable($stmt->keyVar->name), $keyType),
6565:	], new ExpressionTypeHolder(new ArrayDimFetch($stmt->expr, $stmt->keyVar), $valueType, TrinaryLogic::createYes()));
6566:	$arrayDimFetchConditionalHolders[$arrayDimFetchHolder->getKey()] = $arrayDimFetchHolder;
6567:	}
6568:
6569:	$scope = $scope->addConditionalExpressions(
6570:	'$' . $stmt->valueVar->name,
6571:	$valueConditionalHolders,
6572:	);
6573:	if ($stmt->expr instanceof Variable && is_string($stmt->expr->name)) {
6574:	$scope = $scope->addConditionalExpressions(
6575:	sprintf('$%s[$%s]', $stmt->expr->name, $stmt->keyVar->name),
6576:	$arrayDimFetchConditionalHolders,
6577:	);
6578:	}
6579:	}
6580:
6581:	return $this->processVarAnnotation($scope, $vars, $stmt);
6582:	}
6583:
6584:	/**
6585:	* @param callable(Node $node, Scope $scope): void $nodeCallback
6586:	*/
6587:	private function processTraitUse(Node\Stmt\TraitUse $node, MutatingScope $classScope, callable $nodeCallback): void
6588:	{
6589:	$parentTraitNames = [];
6590:	$parent = $classScope->getParentScope();
6591:	while ($parent !== null) {
6592:	if ($parent->isInTrait()) {
6593:	$parentTraitNames[] = $parent->getTraitReflection()->getName();
6594:	}
6595:	$parent = $parent->getParentScope();
6596:	}
6597:
6598:	foreach ($node->traits as $trait) {
6599:	$traitName = (string) $trait;
6600:	if (in_array($traitName, $parentTraitNames, true)) {
6601:	continue;
6602:	}
6603:	if (!$this->reflectionProvider->hasClass($traitName)) {
6604:	continue;
6605:	}
6606:	$traitReflection = $this->reflectionProvider->getClass($traitName);
6607:	$traitFileName = $traitReflection->getFileName();
6608:	if ($traitFileName === null) {
6609:	continue; // trait from eval or from PHP itself
6610:	}
6611:	$fileName = $this->fileHelper->normalizePath($traitFileName);
6612:	if (!isset($this->analysedFiles[$fileName])) {
6613:	continue;
6614:	}
6615:	$adaptations = [];
6616:	foreach ($node->adaptations as $adaptation) {
6617:	if ($adaptation->trait === null) {
6618:	$adaptations[] = $adaptation;
6619:	continue;
6620:	}
6621:	if ($adaptation->trait->toLowerString() !== $trait->toLowerString()) {
6622:	continue;
6623:	}
6624:
6625:	$adaptations[] = $adaptation;
6626:	}
6627:	$parserNodes = $this->parser->parseFile($fileName);
6628:	$this->processNodesForTraitUse($parserNodes, $traitReflection, $classScope, $adaptations, $nodeCallback);
6629:	}
6630:	}
6631:
6632:	/**
6633:	* @param Node[]\|Node\|scalar\|null $node
6634:	* @param Node\Stmt\TraitUseAdaptation[] $adaptations
6635:	* @param callable(Node $node, Scope $scope): void $nodeCallback
6636:	*/
6637:	private function processNodesForTraitUse($node, ClassReflection $traitReflection, MutatingScope $scope, array $adaptations, callable $nodeCallback): void
6638:	{
6639:	if ($node instanceof Node) {
6640:	if ($node instanceof Node\Stmt\Trait_ && $traitReflection->getName() === (string) $node->namespacedName && $traitReflection->getNativeReflection()->getStartLine() === $node->getStartLine()) {
6641:	$methodModifiers = [];
6642:	$methodNames = [];
6643:	foreach ($adaptations as $adaptation) {
6644:	if (!$adaptation instanceof Node\Stmt\TraitUseAdaptation\Alias) {
6645:	continue;
6646:	}
6647:
6648:	$methodName = $adaptation->method->toLowerString();
6649:	if ($adaptation->newModifier !== null) {
6650:	$methodModifiers[$methodName] = $adaptation->newModifier;
6651:	}
6652:
6653:	if ($adaptation->newName === null) {
6654:	continue;
6655:	}
6656:
6657:	$methodNames[$methodName] = $adaptation->newName;
6658:	}
6659:
6660:	$stmts = $node->stmts;
6661:	foreach ($stmts as $i => $stmt) {
6662:	if (!$stmt instanceof Node\Stmt\ClassMethod) {
6663:	continue;
6664:	}
6665:	$methodName = $stmt->name->toLowerString();
6666:	$methodAst = clone $stmt;
6667:	$stmts[$i] = $methodAst;
6668:	if (array_key_exists($methodName, $methodModifiers)) {
6669:	$methodAst->flags = ($methodAst->flags & ~ Modifiers::VISIBILITY_MASK) \| $methodModifiers[$methodName];
6670:	}
6671:
6672:	if (!array_key_exists($methodName, $methodNames)) {
6673:	continue;
6674:	}
6675:
6676:	$methodAst->setAttribute('originalTraitMethodName', $methodAst->name->toLowerString());
6677:	$methodAst->name = $methodNames[$methodName];
6678:	}
6679:
6680:	if (!$scope->isInClass()) {
6681:	throw new ShouldNotHappenException();
6682:	}
6683:	$traitScope = $scope->enterTrait($traitReflection);
6684:	$nodeCallback(new InTraitNode($node, $traitReflection, $scope->getClassReflection()), $traitScope);
6685:	$this->processStmtNodes($node, $stmts, $traitScope, $nodeCallback, StatementContext::createTopLevel());
6686:	return;
6687:	}
6688:	if ($node instanceof Node\Stmt\ClassLike) {
6689:	return;
6690:	}
6691:	if ($node instanceof Node\FunctionLike) {
6692:	return;
6693:	}
6694:	foreach ($node->getSubNodeNames() as $subNodeName) {
6695:	$subNode = $node->{$subNodeName};
6696:	$this->processNodesForTraitUse($subNode, $traitReflection, $scope, $adaptations, $nodeCallback);
6697:	}
6698:	} elseif (is_array($node)) {
6699:	foreach ($node as $subNode) {
6700:	$this->processNodesForTraitUse($subNode, $traitReflection, $scope, $adaptations, $nodeCallback);
6701:	}
6702:	}
6703:	}
6704:
6705:	private function processCalledMethod(MethodReflection $methodReflection): ?MutatingScope
6706:	{
6707:	$declaringClass = $methodReflection->getDeclaringClass();
6708:	if ($declaringClass->isAnonymous()) {
6709:	return null;
6710:	}
6711:	if ($declaringClass->getFileName() === null) {
6712:	return null;
6713:	}
6714:
6715:	$stackName = sprintf('%s::%s', $declaringClass->getName(), $methodReflection->getName());
6716:	if (array_key_exists($stackName, $this->calledMethodResults)) {
6717:	return $this->calledMethodResults[$stackName];
6718:	}
6719:
6720:	if (array_key_exists($stackName, $this->calledMethodStack)) {
6721:	return null;
6722:	}
6723:
6724:	if (count($this->calledMethodStack) > 0) {
6725:	return null;
6726:	}
6727:
6728:	$this->calledMethodStack[$stackName] = true;
6729:
6730:	$fileName = $this->fileHelper->normalizePath($declaringClass->getFileName());
6731:	if (!isset($this->analysedFiles[$fileName])) {
6732:	return null;
6733:	}
6734:	$parserNodes = $this->parser->parseFile($fileName);
6735:
6736:	$returnStatement = null;
6737:	$this->processNodesForCalledMethod($parserNodes, $fileName, $methodReflection, static function (Node $node, Scope $scope) use ($methodReflection, &$returnStatement): void {
6738:	if (!$node instanceof MethodReturnStatementsNode) {
6739:	return;
6740:	}
6741:
6742:	if ($node->getClassReflection()->getName() !== $methodReflection->getDeclaringClass()->getName()) {
6743:	return;
6744:	}
6745:
6746:	if ($returnStatement !== null) {
6747:	return;
6748:	}
6749:
6750:	$returnStatement = $node;
6751:	});
6752:
6753:	$calledMethodEndScope = null;
6754:	if ($returnStatement !== null) {
6755:	foreach ($returnStatement->getExecutionEnds() as $executionEnd) {
6756:	$statementResult = $executionEnd->getStatementResult();
6757:	$endNode = $executionEnd->getNode();
6758:	if ($endNode instanceof Node\Stmt\Expression) {
6759:	$exprType = $statementResult->getScope()->getType($endNode->expr);
6760:	if ($exprType instanceof NeverType && $exprType->isExplicit()) {
6761:	continue;
6762:	}
6763:	}
6764:	if ($calledMethodEndScope === null) {
6765:	$calledMethodEndScope = $statementResult->getScope();
6766:	continue;
6767:	}
6768:
6769:	$calledMethodEndScope = $calledMethodEndScope->mergeWith($statementResult->getScope());
6770:	}
6771:	foreach ($returnStatement->getReturnStatements() as $statement) {
6772:	if ($calledMethodEndScope === null) {
6773:	$calledMethodEndScope = $statement->getScope();
6774:	continue;
6775:	}
6776:
6777:	$calledMethodEndScope = $calledMethodEndScope->mergeWith($statement->getScope());
6778:	}
6779:	}
6780:
6781:	unset($this->calledMethodStack[$stackName]);
6782:
6783:	$this->calledMethodResults[$stackName] = $calledMethodEndScope;
6784:
6785:	return $calledMethodEndScope;
6786:	}
6787:
6788:	/**
6789:	* @param Node[]\|Node\|scalar\|null $node
6790:	* @param callable(Node $node, Scope $scope): void $nodeCallback
6791:	*/
6792:	private function processNodesForCalledMethod($node, string $fileName, MethodReflection $methodReflection, callable $nodeCallback): void
6793:	{
6794:	if ($node instanceof Node) {
6795:	$declaringClass = $methodReflection->getDeclaringClass();
6796:	if (
6797:	$node instanceof Node\Stmt\Class_
6798:	&& isset($node->namespacedName)
6799:	&& $declaringClass->getName() === (string) $node->namespacedName
6800:	&& $declaringClass->getNativeReflection()->getStartLine() === $node->getStartLine()
6801:	) {
6802:
6803:	$stmts = $node->stmts;
6804:	foreach ($stmts as $stmt) {
6805:	if (!$stmt instanceof Node\Stmt\ClassMethod) {
6806:	continue;
6807:	}
6808:
6809:	if ($stmt->name->toString() !== $methodReflection->getName()) {
6810:	continue;
6811:	}
6812:
6813:	if ($stmt->getEndLine() - $stmt->getStartLine() > 50) {
6814:	continue;
6815:	}
6816:
6817:	$scope = $this->scopeFactory->create(ScopeContext::create($fileName))->enterClass($declaringClass);
6818:	$this->processStmtNode($stmt, $scope, $nodeCallback, StatementContext::createTopLevel());
6819:	}
6820:	return;
6821:	}
6822:	if ($node instanceof Node\Stmt\ClassLike) {
6823:	return;
6824:	}
6825:	if ($node instanceof Node\FunctionLike) {
6826:	return;
6827:	}
6828:	foreach ($node->getSubNodeNames() as $subNodeName) {
6829:	$subNode = $node->{$subNodeName};
6830:	$this->processNodesForCalledMethod($subNode, $fileName, $methodReflection, $nodeCallback);
6831:	}
6832:	} elseif (is_array($node)) {
6833:	foreach ($node as $subNode) {
6834:	$this->processNodesForCalledMethod($subNode, $fileName, $methodReflection, $nodeCallback);
6835:	}
6836:	}
6837:	}
6838:
6839:	/**
6840:	* @return array{TemplateTypeMap, array<string, Type>, array<string, bool>, array<string, Type>, ?Type, ?Type, ?string, bool, bool, bool, bool\|null, bool, bool, string\|null, Assertions, ?Type, array<string, Type>, array<(string\|int), VarTag>, bool}
6841:	*/
6842:	public function getPhpDocs(Scope $scope, Node\FunctionLike\|Node\Stmt\Property $node): array
6843:	{
6844:	$templateTypeMap = TemplateTypeMap::createEmpty();
6845:	$phpDocParameterTypes = [];
6846:	$phpDocImmediatelyInvokedCallableParameters = [];
6847:	$phpDocClosureThisTypeParameters = [];
6848:	$phpDocReturnType = null;
6849:	$phpDocThrowType = null;
6850:	$deprecatedDescription = null;
6851:	$isDeprecated = false;
6852:	$isInternal = false;
6853:	$isFinal = false;
6854:	$isPure = null;
6855:	$isAllowedPrivateMutation = false;
6856:	$acceptsNamedArguments = true;
6857:	$isReadOnly = $scope->isInClass() && $scope->getClassReflection()->isImmutable();
6858:	$asserts = Assertions::createEmpty();
6859:	$selfOutType = null;
6860:	$docComment = $node->getDocComment() !== null
6861:	? $node->getDocComment()->getText()
6862:	: null;
6863:
6864:	$file = $scope->getFile();
6865:	$class = $scope->isInClass() ? $scope->getClassReflection()->getName() : null;
6866:	$trait = $scope->isInTrait() ? $scope->getTraitReflection()->getName() : null;
6867:	$resolvedPhpDoc = null;
6868:	$functionName = null;
6869:	$phpDocParameterOutTypes = [];
6870:
6871:	if ($node instanceof Node\Stmt\ClassMethod) {
6872:	if (!$scope->isInClass()) {
6873:	throw new ShouldNotHappenException();
6874:	}
6875:	$functionName = $node->name->name;
6876:	$positionalParameterNames = array_map(static function (Node\Param $param): string {
6877:	if (!$param->var instanceof Variable \|\| !is_string($param->var->name)) {
6878:	throw new ShouldNotHappenException();
6879:	}
6880:
6881:	return $param->var->name;
6882:	}, $node->getParams());
6883:	$resolvedPhpDoc = $this->phpDocInheritanceResolver->resolvePhpDocForMethod(
6884:	$docComment,
6885:	$file,
6886:	$scope->getClassReflection(),
6887:	$trait,
6888:	$node->name->name,
6889:	$positionalParameterNames,
6890:	);
6891:
6892:	if ($node->name->toLowerString() === '__construct') {
6893:	foreach ($node->params as $param) {
6894:	if ($param->flags === 0) {
6895:	continue;
6896:	}
6897:
6898:	if ($param->getDocComment() === null) {
6899:	continue;
6900:	}
6901:
6902:	if (
6903:	!$param->var instanceof Variable
6904:	\|\| !is_string($param->var->name)
6905:	) {
6906:	throw new ShouldNotHappenException();
6907:	}
6908:
6909:	$paramPhpDoc = $this->fileTypeMapper->getResolvedPhpDoc(
6910:	$file,
6911:	$class,
6912:	$trait,
6913:	'__construct',
6914:	$param->getDocComment()->getText(),
6915:	);
6916:	$varTags = $paramPhpDoc->getVarTags();
6917:	if (isset($varTags[0]) && count($varTags) === 1) {
6918:	$phpDocType = $varTags[0]->getType();
6919:	} elseif (isset($varTags[$param->var->name])) {
6920:	$phpDocType = $varTags[$param->var->name]->getType();
6921:	} else {
6922:	continue;
6923:	}
6924:
6925:	$phpDocParameterTypes[$param->var->name] = $phpDocType;
6926:	}
6927:	}
6928:	} elseif ($node instanceof Node\Stmt\Function_) {
6929:	$functionName = trim($scope->getNamespace() . '\\' . $node->name->name, '\\');
6930:	} elseif ($node instanceof Node\PropertyHook) {
6931:	$propertyName = $node->getAttribute('propertyName');
6932:	if ($propertyName !== null) {
6933:	$functionName = sprintf('$%s::%s', $propertyName, $node->name->toString());
6934:	}
6935:	}
6936:
6937:	if ($docComment !== null && $resolvedPhpDoc === null) {
6938:	$resolvedPhpDoc = $this->fileTypeMapper->getResolvedPhpDoc(
6939:	$file,
6940:	$class,
6941:	$trait,
6942:	$functionName,
6943:	$docComment,
6944:	);
6945:	}
6946:
6947:	$varTags = [];
6948:	if ($resolvedPhpDoc !== null) {
6949:	$templateTypeMap = $resolvedPhpDoc->getTemplateTypeMap();
6950:	$phpDocImmediatelyInvokedCallableParameters = $resolvedPhpDoc->getParamsImmediatelyInvokedCallable();
6951:	foreach ($resolvedPhpDoc->getParamTags() as $paramName => $paramTag) {
6952:	if (array_key_exists($paramName, $phpDocParameterTypes)) {
6953:	continue;
6954:	}
6955:	$paramType = $paramTag->getType();
6956:	if ($scope->isInClass()) {
6957:	$paramType = $this->transformStaticType($scope->getClassReflection(), $paramType);
6958:	}
6959:	$phpDocParameterTypes[$paramName] = $paramType;
6960:	}
6961:	foreach ($resolvedPhpDoc->getParamClosureThisTags() as $paramName => $paramClosureThisTag) {
6962:	if (array_key_exists($paramName, $phpDocClosureThisTypeParameters)) {
6963:	continue;
6964:	}
6965:	$paramClosureThisType = $paramClosureThisTag->getType();
6966:	if ($scope->isInClass()) {
6967:	$paramClosureThisType = $this->transformStaticType($scope->getClassReflection(), $paramClosureThisType);
6968:	}
6969:	$phpDocClosureThisTypeParameters[$paramName] = $paramClosureThisType;
6970:	}
6971:
6972:	foreach ($resolvedPhpDoc->getParamOutTags() as $paramName => $paramOutTag) {
6973:	$phpDocParameterOutTypes[$paramName] = $paramOutTag->getType();
6974:	}
6975:	if ($node instanceof Node\FunctionLike) {
6976:	$nativeReturnType = $scope->getFunctionType($node->getReturnType(), false, false);
6977:	$phpDocReturnType = $this->getPhpDocReturnType($resolvedPhpDoc, $nativeReturnType);
6978:	if ($phpDocReturnType !== null && $scope->isInClass()) {
6979:	$phpDocReturnType = $this->transformStaticType($scope->getClassReflection(), $phpDocReturnType);
6980:	}
6981:	}
6982:	$phpDocThrowType = $resolvedPhpDoc->getThrowsTag() !== null ? $resolvedPhpDoc->getThrowsTag()->getType() : null;
6983:	$deprecatedDescription = $resolvedPhpDoc->getDeprecatedTag() !== null ? $resolvedPhpDoc->getDeprecatedTag()->getMessage() : null;
6984:	$isDeprecated = $resolvedPhpDoc->isDeprecated();
6985:	$isInternal = $resolvedPhpDoc->isInternal();
6986:	$isFinal = $resolvedPhpDoc->isFinal();
6987:	$isPure = $resolvedPhpDoc->isPure();
6988:	$isAllowedPrivateMutation = $resolvedPhpDoc->isAllowedPrivateMutation();
6989:	$acceptsNamedArguments = $resolvedPhpDoc->acceptsNamedArguments();
6990:	if ($acceptsNamedArguments && $scope->isInClass()) {
6991:	$acceptsNamedArguments = $scope->getClassReflection()->acceptsNamedArguments();
6992:	}
6993:	$isReadOnly = $isReadOnly \|\| $resolvedPhpDoc->isReadOnly();
6994:	$asserts = Assertions::createFromResolvedPhpDocBlock($resolvedPhpDoc);
6995:	$selfOutType = $resolvedPhpDoc->getSelfOutTag() !== null ? $resolvedPhpDoc->getSelfOutTag()->getType() : null;
6996:	$varTags = $resolvedPhpDoc->getVarTags();
6997:	}
6998:
6999:	return [$templateTypeMap, $phpDocParameterTypes, $phpDocImmediatelyInvokedCallableParameters, $phpDocClosureThisTypeParameters, $phpDocReturnType, $phpDocThrowType, $deprecatedDescription, $isDeprecated, $isInternal, $isFinal, $isPure, $acceptsNamedArguments, $isReadOnly, $docComment, $asserts, $selfOutType, $phpDocParameterOutTypes, $varTags, $isAllowedPrivateMutation];
7000:	}
7001:
7002:	private function transformStaticType(ClassReflection $declaringClass, Type $type): Type
7003:	{
7004:	return TypeTraverser::map($type, static function (Type $type, callable $traverse) use ($declaringClass): Type {
7005:	if ($type instanceof StaticType) {
7006:	$changedType = $type->changeBaseClass($declaringClass);
7007:	if ($declaringClass->isFinal() && !$type instanceof ThisType) {
7008:	$changedType = $changedType->getStaticObjectType();
7009:	}
7010:	return $traverse($changedType);
7011:	}
7012:
7013:	return $traverse($type);
7014:	});
7015:	}
7016:
7017:	private function getPhpDocReturnType(ResolvedPhpDocBlock $resolvedPhpDoc, Type $nativeReturnType): ?Type
7018:	{
7019:	$returnTag = $resolvedPhpDoc->getReturnTag();
7020:
7021:	if ($returnTag === null) {
7022:	return null;
7023:	}
7024:
7025:	$phpDocReturnType = $returnTag->getType();
7026:
7027:	if ($returnTag->isExplicit()) {
7028:	return $phpDocReturnType;
7029:	}
7030:
7031:	if ($nativeReturnType->isSuperTypeOf(TemplateTypeHelper::resolveToBounds($phpDocReturnType))->yes()) {
7032:	return $phpDocReturnType;
7033:	}
7034:
7035:	return null;
7036:	}
7037:
7038:	/**
7039:	* @param array<Node> $nodes
7040:	* @return list<Node\Stmt>
7041:	*/
7042:	private function getNextUnreachableStatements(array $nodes, bool $earlyBinding): array
7043:	{
7044:	$stmts = [];
7045:	$isPassedUnreachableStatement = false;
7046:	foreach ($nodes as $node) {
7047:	if ($earlyBinding && ($node instanceof Node\Stmt\Function_ \|\| $node instanceof Node\Stmt\ClassLike \|\| $node instanceof Node\Stmt\HaltCompiler)) {
7048:	continue;
7049:	}
7050:	if ($isPassedUnreachableStatement && $node instanceof Node\Stmt) {
7051:	$stmts[] = $node;
7052:	continue;
7053:	}
7054:	if ($node instanceof Node\Stmt\Nop \|\| $node instanceof Node\Stmt\InlineHTML) {
7055:	continue;
7056:	}
7057:	if (!$node instanceof Node\Stmt) {
7058:	continue;
7059:	}
7060:	$stmts[] = $node;
7061:	$isPassedUnreachableStatement = true;
7062:	}
7063:	return $stmts;
7064:	}
7065:
7066:	/**
7067:	* @param array<Expr> $conditions
7068:	*/
7069:	public function getFilteringExprForMatchArm(Expr\Match_ $expr, array $conditions): BinaryOp\Identical\|FuncCall
7070:	{
7071:	if (count($conditions) === 1) {
7072:	return new BinaryOp\Identical($expr->cond, $conditions[0]);
7073:	}
7074:
7075:	$items = [];
7076:	foreach ($conditions as $filteringExpr) {
7077:	$items[] = new Node\ArrayItem($filteringExpr);
7078:	}
7079:
7080:	return new FuncCall(
7081:	new Name\FullyQualified('in_array'),
7082:	[
7083:	new Arg($expr->cond),
7084:	new Arg(new Array_($items)),
7085:	new Arg(new ConstFetch(new Name\FullyQualified('true'))),
7086:	],
7087:	);
7088:	}
7089:
7090:	}
7091:

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