1: | <?php declare(strict_types = 1); |
2: | |
3: | namespace PHPStan\Type; |
4: | |
5: | use PHPStan\Php\PhpVersion; |
6: | use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode; |
7: | use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode; |
8: | use PHPStan\PhpDocParser\Ast\Type\TypeNode; |
9: | use PHPStan\Reflection\ClassMemberAccessAnswerer; |
10: | use PHPStan\Reflection\TrivialParametersAcceptor; |
11: | use PHPStan\ShouldNotHappenException; |
12: | use PHPStan\TrinaryLogic; |
13: | use PHPStan\Type\Accessory\AccessoryArrayListType; |
14: | use PHPStan\Type\Accessory\HasOffsetType; |
15: | use PHPStan\Type\Accessory\HasOffsetValueType; |
16: | use PHPStan\Type\Accessory\NonEmptyArrayType; |
17: | use PHPStan\Type\Constant\ConstantArrayType; |
18: | use PHPStan\Type\Constant\ConstantArrayTypeBuilder; |
19: | use PHPStan\Type\Constant\ConstantBooleanType; |
20: | use PHPStan\Type\Constant\ConstantFloatType; |
21: | use PHPStan\Type\Constant\ConstantIntegerType; |
22: | use PHPStan\Type\Constant\ConstantStringType; |
23: | use PHPStan\Type\Generic\TemplateMixedType; |
24: | use PHPStan\Type\Generic\TemplateTypeMap; |
25: | use PHPStan\Type\Generic\TemplateTypeVariance; |
26: | use PHPStan\Type\Traits\MaybeCallableTypeTrait; |
27: | use PHPStan\Type\Traits\NonGeneralizableTypeTrait; |
28: | use PHPStan\Type\Traits\NonObjectTypeTrait; |
29: | use PHPStan\Type\Traits\UndecidedBooleanTypeTrait; |
30: | use PHPStan\Type\Traits\UndecidedComparisonTypeTrait; |
31: | use function array_merge; |
32: | use function count; |
33: | use function sprintf; |
34: | |
35: | |
36: | class ArrayType implements Type |
37: | { |
38: | |
39: | use MaybeCallableTypeTrait; |
40: | use NonObjectTypeTrait; |
41: | use UndecidedBooleanTypeTrait; |
42: | use UndecidedComparisonTypeTrait; |
43: | use NonGeneralizableTypeTrait; |
44: | |
45: | private Type $keyType; |
46: | |
47: | |
48: | public function __construct(Type $keyType, private Type $itemType) |
49: | { |
50: | if ($keyType->describe(VerbosityLevel::value()) === '(int|string)') { |
51: | $keyType = new MixedType(); |
52: | } |
53: | $this->keyType = $keyType; |
54: | } |
55: | |
56: | public function getKeyType(): Type |
57: | { |
58: | return $this->keyType; |
59: | } |
60: | |
61: | public function getItemType(): Type |
62: | { |
63: | return $this->itemType; |
64: | } |
65: | |
66: | |
67: | |
68: | |
69: | public function getReferencedClasses(): array |
70: | { |
71: | return array_merge( |
72: | $this->keyType->getReferencedClasses(), |
73: | $this->getItemType()->getReferencedClasses(), |
74: | ); |
75: | } |
76: | |
77: | public function getObjectClassNames(): array |
78: | { |
79: | return []; |
80: | } |
81: | |
82: | public function getObjectClassReflections(): array |
83: | { |
84: | return []; |
85: | } |
86: | |
87: | public function getArrays(): array |
88: | { |
89: | return [$this]; |
90: | } |
91: | |
92: | public function getConstantArrays(): array |
93: | { |
94: | return []; |
95: | } |
96: | |
97: | public function accepts(Type $type, bool $strictTypes): TrinaryLogic |
98: | { |
99: | return $this->acceptsWithReason($type, $strictTypes)->result; |
100: | } |
101: | |
102: | public function acceptsWithReason(Type $type, bool $strictTypes): AcceptsResult |
103: | { |
104: | if ($type instanceof CompoundType) { |
105: | return $type->isAcceptedWithReasonBy($this, $strictTypes); |
106: | } |
107: | |
108: | if ($type instanceof ConstantArrayType) { |
109: | $result = AcceptsResult::createYes(); |
110: | $thisKeyType = $this->keyType; |
111: | $itemType = $this->getItemType(); |
112: | foreach ($type->getKeyTypes() as $i => $keyType) { |
113: | $valueType = $type->getValueTypes()[$i]; |
114: | $acceptsKey = $thisKeyType->acceptsWithReason($keyType, $strictTypes); |
115: | $acceptsValue = $itemType->acceptsWithReason($valueType, $strictTypes); |
116: | $result = $result->and($acceptsKey)->and($acceptsValue); |
117: | } |
118: | |
119: | return $result; |
120: | } |
121: | |
122: | if ($type instanceof ArrayType) { |
123: | return $this->getItemType()->acceptsWithReason($type->getItemType(), $strictTypes) |
124: | ->and($this->keyType->acceptsWithReason($type->keyType, $strictTypes)); |
125: | } |
126: | |
127: | return AcceptsResult::createNo(); |
128: | } |
129: | |
130: | public function isSuperTypeOf(Type $type): TrinaryLogic |
131: | { |
132: | if ($type instanceof self) { |
133: | return $this->getItemType()->isSuperTypeOf($type->getItemType()) |
134: | ->and($this->getIterableKeyType()->isSuperTypeOf($type->getIterableKeyType())); |
135: | } |
136: | |
137: | if ($type instanceof CompoundType) { |
138: | return $type->isSubTypeOf($this); |
139: | } |
140: | |
141: | return TrinaryLogic::createNo(); |
142: | } |
143: | |
144: | public function equals(Type $type): bool |
145: | { |
146: | return $type instanceof self |
147: | && $type->isConstantArray()->no() |
148: | && $this->getItemType()->equals($type->getIterableValueType()) |
149: | && $this->keyType->equals($type->keyType); |
150: | } |
151: | |
152: | public function describe(VerbosityLevel $level): string |
153: | { |
154: | $isMixedKeyType = $this->keyType instanceof MixedType && $this->keyType->describe(VerbosityLevel::precise()) === 'mixed'; |
155: | $isMixedItemType = $this->itemType instanceof MixedType && $this->itemType->describe(VerbosityLevel::precise()) === 'mixed'; |
156: | |
157: | $valueHandler = function () use ($level, $isMixedKeyType, $isMixedItemType): string { |
158: | if ($isMixedKeyType || $this->keyType instanceof NeverType) { |
159: | if ($isMixedItemType || $this->itemType instanceof NeverType) { |
160: | return 'array'; |
161: | } |
162: | |
163: | return sprintf('array<%s>', $this->itemType->describe($level)); |
164: | } |
165: | |
166: | return sprintf('array<%s, %s>', $this->keyType->describe($level), $this->itemType->describe($level)); |
167: | }; |
168: | |
169: | return $level->handle( |
170: | $valueHandler, |
171: | $valueHandler, |
172: | function () use ($level, $isMixedKeyType, $isMixedItemType): string { |
173: | if ($isMixedKeyType) { |
174: | if ($isMixedItemType) { |
175: | return 'array'; |
176: | } |
177: | |
178: | return sprintf('array<%s>', $this->itemType->describe($level)); |
179: | } |
180: | |
181: | return sprintf('array<%s, %s>', $this->keyType->describe($level), $this->itemType->describe($level)); |
182: | }, |
183: | ); |
184: | } |
185: | |
186: | |
187: | |
188: | |
189: | public function generalizeKeys(): self |
190: | { |
191: | return new self($this->keyType->generalize(GeneralizePrecision::lessSpecific()), $this->itemType); |
192: | } |
193: | |
194: | public function generalizeValues(): self |
195: | { |
196: | return new self($this->keyType, $this->itemType->generalize(GeneralizePrecision::lessSpecific())); |
197: | } |
198: | |
199: | public function getKeysArray(): Type |
200: | { |
201: | return AccessoryArrayListType::intersectWith(new self(new IntegerType(), $this->getIterableKeyType())); |
202: | } |
203: | |
204: | public function getValuesArray(): Type |
205: | { |
206: | return AccessoryArrayListType::intersectWith(new self(new IntegerType(), $this->itemType)); |
207: | } |
208: | |
209: | public function isIterable(): TrinaryLogic |
210: | { |
211: | return TrinaryLogic::createYes(); |
212: | } |
213: | |
214: | public function isIterableAtLeastOnce(): TrinaryLogic |
215: | { |
216: | return TrinaryLogic::createMaybe(); |
217: | } |
218: | |
219: | public function getArraySize(): Type |
220: | { |
221: | return IntegerRangeType::fromInterval(0, null); |
222: | } |
223: | |
224: | public function getIterableKeyType(): Type |
225: | { |
226: | $keyType = $this->keyType; |
227: | if ($keyType instanceof MixedType && !$keyType instanceof TemplateMixedType) { |
228: | return new BenevolentUnionType([new IntegerType(), new StringType()]); |
229: | } |
230: | if ($keyType instanceof StrictMixedType) { |
231: | return new BenevolentUnionType([new IntegerType(), new StringType()]); |
232: | } |
233: | |
234: | return $keyType; |
235: | } |
236: | |
237: | public function getFirstIterableKeyType(): Type |
238: | { |
239: | return $this->getIterableKeyType(); |
240: | } |
241: | |
242: | public function getLastIterableKeyType(): Type |
243: | { |
244: | return $this->getIterableKeyType(); |
245: | } |
246: | |
247: | public function getIterableValueType(): Type |
248: | { |
249: | return $this->getItemType(); |
250: | } |
251: | |
252: | public function getFirstIterableValueType(): Type |
253: | { |
254: | return $this->getItemType(); |
255: | } |
256: | |
257: | public function getLastIterableValueType(): Type |
258: | { |
259: | return $this->getItemType(); |
260: | } |
261: | |
262: | public function isArray(): TrinaryLogic |
263: | { |
264: | return TrinaryLogic::createYes(); |
265: | } |
266: | |
267: | public function isConstantArray(): TrinaryLogic |
268: | { |
269: | return TrinaryLogic::createNo(); |
270: | } |
271: | |
272: | public function isOversizedArray(): TrinaryLogic |
273: | { |
274: | return TrinaryLogic::createMaybe(); |
275: | } |
276: | |
277: | public function isList(): TrinaryLogic |
278: | { |
279: | if (IntegerRangeType::fromInterval(0, null)->isSuperTypeOf($this->getKeyType())->no()) { |
280: | return TrinaryLogic::createNo(); |
281: | } |
282: | |
283: | return TrinaryLogic::createMaybe(); |
284: | } |
285: | |
286: | public function isNull(): TrinaryLogic |
287: | { |
288: | return TrinaryLogic::createNo(); |
289: | } |
290: | |
291: | public function isConstantValue(): TrinaryLogic |
292: | { |
293: | return TrinaryLogic::createNo(); |
294: | } |
295: | |
296: | public function isConstantScalarValue(): TrinaryLogic |
297: | { |
298: | return TrinaryLogic::createNo(); |
299: | } |
300: | |
301: | public function getConstantScalarTypes(): array |
302: | { |
303: | return []; |
304: | } |
305: | |
306: | public function getConstantScalarValues(): array |
307: | { |
308: | return []; |
309: | } |
310: | |
311: | public function isTrue(): TrinaryLogic |
312: | { |
313: | return TrinaryLogic::createNo(); |
314: | } |
315: | |
316: | public function isFalse(): TrinaryLogic |
317: | { |
318: | return TrinaryLogic::createNo(); |
319: | } |
320: | |
321: | public function isBoolean(): TrinaryLogic |
322: | { |
323: | return TrinaryLogic::createNo(); |
324: | } |
325: | |
326: | public function isFloat(): TrinaryLogic |
327: | { |
328: | return TrinaryLogic::createNo(); |
329: | } |
330: | |
331: | public function isInteger(): TrinaryLogic |
332: | { |
333: | return TrinaryLogic::createNo(); |
334: | } |
335: | |
336: | public function isString(): TrinaryLogic |
337: | { |
338: | return TrinaryLogic::createNo(); |
339: | } |
340: | |
341: | public function isNumericString(): TrinaryLogic |
342: | { |
343: | return TrinaryLogic::createNo(); |
344: | } |
345: | |
346: | public function isNonEmptyString(): TrinaryLogic |
347: | { |
348: | return TrinaryLogic::createNo(); |
349: | } |
350: | |
351: | public function isNonFalsyString(): TrinaryLogic |
352: | { |
353: | return TrinaryLogic::createNo(); |
354: | } |
355: | |
356: | public function isLiteralString(): TrinaryLogic |
357: | { |
358: | return TrinaryLogic::createNo(); |
359: | } |
360: | |
361: | public function isClassStringType(): TrinaryLogic |
362: | { |
363: | return TrinaryLogic::createNo(); |
364: | } |
365: | |
366: | public function getClassStringObjectType(): Type |
367: | { |
368: | return new ErrorType(); |
369: | } |
370: | |
371: | public function getObjectTypeOrClassStringObjectType(): Type |
372: | { |
373: | return new ErrorType(); |
374: | } |
375: | |
376: | public function isVoid(): TrinaryLogic |
377: | { |
378: | return TrinaryLogic::createNo(); |
379: | } |
380: | |
381: | public function isScalar(): TrinaryLogic |
382: | { |
383: | return TrinaryLogic::createNo(); |
384: | } |
385: | |
386: | public function looseCompare(Type $type, PhpVersion $phpVersion): BooleanType |
387: | { |
388: | return new BooleanType(); |
389: | } |
390: | |
391: | public function isOffsetAccessible(): TrinaryLogic |
392: | { |
393: | return TrinaryLogic::createYes(); |
394: | } |
395: | |
396: | public function hasOffsetValueType(Type $offsetType): TrinaryLogic |
397: | { |
398: | $offsetType = $offsetType->toArrayKey(); |
399: | |
400: | if ($this->getKeyType()->isSuperTypeOf($offsetType)->no() |
401: | && ($offsetType->isString()->no() || !$offsetType->isConstantScalarValue()->no()) |
402: | ) { |
403: | return TrinaryLogic::createNo(); |
404: | } |
405: | |
406: | return TrinaryLogic::createMaybe(); |
407: | } |
408: | |
409: | public function getOffsetValueType(Type $offsetType): Type |
410: | { |
411: | $offsetType = $offsetType->toArrayKey(); |
412: | if ($this->getKeyType()->isSuperTypeOf($offsetType)->no() |
413: | && ($offsetType->isString()->no() || !$offsetType->isConstantScalarValue()->no()) |
414: | ) { |
415: | return new ErrorType(); |
416: | } |
417: | |
418: | $type = $this->getItemType(); |
419: | if ($type instanceof ErrorType) { |
420: | return new MixedType(); |
421: | } |
422: | |
423: | return $type; |
424: | } |
425: | |
426: | public function setOffsetValueType(?Type $offsetType, Type $valueType, bool $unionValues = true): Type |
427: | { |
428: | if ($offsetType === null) { |
429: | $isKeyTypeInteger = $this->keyType->isInteger(); |
430: | if ($isKeyTypeInteger->no()) { |
431: | $offsetType = new IntegerType(); |
432: | } elseif ($isKeyTypeInteger->yes()) { |
433: | $offsetType = $this->keyType; |
434: | } else { |
435: | $integerTypes = []; |
436: | TypeTraverser::map($this->keyType, static function (Type $type, callable $traverse) use (&$integerTypes): Type { |
437: | if ($type instanceof UnionType) { |
438: | return $traverse($type); |
439: | } |
440: | |
441: | $isInteger = $type->isInteger(); |
442: | if ($isInteger->yes()) { |
443: | $integerTypes[] = $type; |
444: | } |
445: | |
446: | return $type; |
447: | }); |
448: | if (count($integerTypes) === 0) { |
449: | $offsetType = $this->keyType; |
450: | } else { |
451: | $offsetType = TypeCombinator::union(...$integerTypes); |
452: | } |
453: | } |
454: | } else { |
455: | $offsetType = $offsetType->toArrayKey(); |
456: | } |
457: | |
458: | if ($offsetType instanceof ConstantStringType || $offsetType instanceof ConstantIntegerType) { |
459: | if ($offsetType->isSuperTypeOf($this->keyType)->yes()) { |
460: | $builder = ConstantArrayTypeBuilder::createEmpty(); |
461: | $builder->setOffsetValueType($offsetType, $valueType); |
462: | return $builder->getArray(); |
463: | } |
464: | |
465: | return TypeCombinator::intersect( |
466: | new self( |
467: | TypeCombinator::union($this->keyType, $offsetType), |
468: | TypeCombinator::union($this->itemType, $valueType), |
469: | ), |
470: | new HasOffsetValueType($offsetType, $valueType), |
471: | new NonEmptyArrayType(), |
472: | ); |
473: | } |
474: | |
475: | return TypeCombinator::intersect( |
476: | new self( |
477: | TypeCombinator::union($this->keyType, $offsetType), |
478: | $unionValues ? TypeCombinator::union($this->itemType, $valueType) : $valueType, |
479: | ), |
480: | new NonEmptyArrayType(), |
481: | ); |
482: | } |
483: | |
484: | public function setExistingOffsetValueType(Type $offsetType, Type $valueType): Type |
485: | { |
486: | return new self( |
487: | $this->keyType, |
488: | TypeCombinator::union($this->itemType, $valueType), |
489: | ); |
490: | } |
491: | |
492: | public function unsetOffset(Type $offsetType): Type |
493: | { |
494: | $offsetType = $offsetType->toArrayKey(); |
495: | |
496: | if ( |
497: | ($offsetType instanceof ConstantIntegerType || $offsetType instanceof ConstantStringType) |
498: | && !$this->keyType->isSuperTypeOf($offsetType)->no() |
499: | ) { |
500: | $keyType = TypeCombinator::remove($this->keyType, $offsetType); |
501: | if ($keyType instanceof NeverType) { |
502: | return new ConstantArrayType([], []); |
503: | } |
504: | |
505: | return new self($keyType, $this->itemType); |
506: | } |
507: | |
508: | return $this; |
509: | } |
510: | |
511: | public function fillKeysArray(Type $valueType): Type |
512: | { |
513: | $itemType = $this->getItemType(); |
514: | if ($itemType->isInteger()->no()) { |
515: | $stringKeyType = $itemType->toString(); |
516: | if ($stringKeyType instanceof ErrorType) { |
517: | return $stringKeyType; |
518: | } |
519: | |
520: | return new ArrayType($stringKeyType, $valueType); |
521: | } |
522: | |
523: | return new ArrayType($itemType, $valueType); |
524: | } |
525: | |
526: | public function flipArray(): Type |
527: | { |
528: | return new self($this->getIterableValueType()->toArrayKey(), $this->getIterableKeyType()); |
529: | } |
530: | |
531: | public function intersectKeyArray(Type $otherArraysType): Type |
532: | { |
533: | $isKeySuperType = $otherArraysType->getIterableKeyType()->isSuperTypeOf($this->getIterableKeyType()); |
534: | if ($isKeySuperType->no()) { |
535: | return ConstantArrayTypeBuilder::createEmpty()->getArray(); |
536: | } |
537: | |
538: | if ($isKeySuperType->yes()) { |
539: | return $otherArraysType->isIterableAtLeastOnce()->yes() |
540: | ? TypeCombinator::intersect($this, new NonEmptyArrayType()) |
541: | : $this; |
542: | } |
543: | |
544: | return new self($otherArraysType->getIterableKeyType(), $this->getIterableValueType()); |
545: | } |
546: | |
547: | public function popArray(): Type |
548: | { |
549: | return $this; |
550: | } |
551: | |
552: | public function searchArray(Type $needleType): Type |
553: | { |
554: | return TypeCombinator::union($this->getIterableKeyType(), new ConstantBooleanType(false)); |
555: | } |
556: | |
557: | public function shiftArray(): Type |
558: | { |
559: | return $this; |
560: | } |
561: | |
562: | public function shuffleArray(): Type |
563: | { |
564: | return AccessoryArrayListType::intersectWith(new self(new IntegerType(), $this->itemType)); |
565: | } |
566: | |
567: | public function isCallable(): TrinaryLogic |
568: | { |
569: | return TrinaryLogic::createMaybe()->and($this->itemType->isString()); |
570: | } |
571: | |
572: | public function getCallableParametersAcceptors(ClassMemberAccessAnswerer $scope): array |
573: | { |
574: | if ($this->isCallable()->no()) { |
575: | throw new ShouldNotHappenException(); |
576: | } |
577: | |
578: | return [new TrivialParametersAcceptor()]; |
579: | } |
580: | |
581: | public function toNumber(): Type |
582: | { |
583: | return new ErrorType(); |
584: | } |
585: | |
586: | public function toString(): Type |
587: | { |
588: | return new ErrorType(); |
589: | } |
590: | |
591: | public function toInteger(): Type |
592: | { |
593: | return TypeCombinator::union( |
594: | new ConstantIntegerType(0), |
595: | new ConstantIntegerType(1), |
596: | ); |
597: | } |
598: | |
599: | public function toFloat(): Type |
600: | { |
601: | return TypeCombinator::union( |
602: | new ConstantFloatType(0.0), |
603: | new ConstantFloatType(1.0), |
604: | ); |
605: | } |
606: | |
607: | public function toArray(): Type |
608: | { |
609: | return $this; |
610: | } |
611: | |
612: | public function toArrayKey(): Type |
613: | { |
614: | return new ErrorType(); |
615: | } |
616: | |
617: | |
618: | public function count(): Type |
619: | { |
620: | return $this->getArraySize(); |
621: | } |
622: | |
623: | |
624: | public static function castToArrayKeyType(Type $offsetType): Type |
625: | { |
626: | return $offsetType->toArrayKey(); |
627: | } |
628: | |
629: | public function inferTemplateTypes(Type $receivedType): TemplateTypeMap |
630: | { |
631: | if ($receivedType instanceof UnionType || $receivedType instanceof IntersectionType) { |
632: | return $receivedType->inferTemplateTypesOn($this); |
633: | } |
634: | |
635: | if ($receivedType->isArray()->yes()) { |
636: | $keyTypeMap = $this->getIterableKeyType()->inferTemplateTypes($receivedType->getIterableKeyType()); |
637: | $itemTypeMap = $this->getItemType()->inferTemplateTypes($receivedType->getIterableValueType()); |
638: | |
639: | return $keyTypeMap->union($itemTypeMap); |
640: | } |
641: | |
642: | return TemplateTypeMap::createEmpty(); |
643: | } |
644: | |
645: | public function getReferencedTemplateTypes(TemplateTypeVariance $positionVariance): array |
646: | { |
647: | $variance = $positionVariance->compose(TemplateTypeVariance::createCovariant()); |
648: | |
649: | return array_merge( |
650: | $this->getIterableKeyType()->getReferencedTemplateTypes($variance), |
651: | $this->getItemType()->getReferencedTemplateTypes($variance), |
652: | ); |
653: | } |
654: | |
655: | public function traverse(callable $cb): Type |
656: | { |
657: | $keyType = $cb($this->keyType); |
658: | $itemType = $cb($this->itemType); |
659: | |
660: | if ($keyType !== $this->keyType || $itemType !== $this->itemType) { |
661: | if ($keyType instanceof NeverType && $itemType instanceof NeverType) { |
662: | return new ConstantArrayType([], []); |
663: | } |
664: | |
665: | return new self($keyType, $itemType); |
666: | } |
667: | |
668: | return $this; |
669: | } |
670: | |
671: | public function toPhpDocNode(): TypeNode |
672: | { |
673: | $isMixedKeyType = $this->keyType instanceof MixedType && $this->keyType->describe(VerbosityLevel::precise()) === 'mixed'; |
674: | $isMixedItemType = $this->itemType instanceof MixedType && $this->itemType->describe(VerbosityLevel::precise()) === 'mixed'; |
675: | |
676: | if ($isMixedKeyType) { |
677: | if ($isMixedItemType) { |
678: | return new IdentifierTypeNode('array'); |
679: | } |
680: | |
681: | return new GenericTypeNode( |
682: | new IdentifierTypeNode('array'), |
683: | [ |
684: | $this->itemType->toPhpDocNode(), |
685: | ], |
686: | ); |
687: | } |
688: | |
689: | return new GenericTypeNode( |
690: | new IdentifierTypeNode('array'), |
691: | [ |
692: | $this->keyType->toPhpDocNode(), |
693: | $this->itemType->toPhpDocNode(), |
694: | ], |
695: | ); |
696: | } |
697: | |
698: | public function traverseSimultaneously(Type $right, callable $cb): Type |
699: | { |
700: | $keyType = $cb($this->keyType, $right->getIterableKeyType()); |
701: | $itemType = $cb($this->itemType, $right->getIterableValueType()); |
702: | |
703: | if ($keyType !== $this->keyType || $itemType !== $this->itemType) { |
704: | if ($keyType instanceof NeverType && $itemType instanceof NeverType) { |
705: | return new ConstantArrayType([], []); |
706: | } |
707: | |
708: | return new self($keyType, $itemType); |
709: | } |
710: | |
711: | return $this; |
712: | } |
713: | |
714: | public function tryRemove(Type $typeToRemove): ?Type |
715: | { |
716: | if ($typeToRemove->isConstantArray()->yes() && $typeToRemove->isIterableAtLeastOnce()->no()) { |
717: | return TypeCombinator::intersect($this, new NonEmptyArrayType()); |
718: | } |
719: | |
720: | if ($typeToRemove instanceof NonEmptyArrayType) { |
721: | return new ConstantArrayType([], []); |
722: | } |
723: | |
724: | if ($this->isConstantArray()->yes() && $typeToRemove instanceof HasOffsetType) { |
725: | return $this->unsetOffset($typeToRemove->getOffsetType()); |
726: | } |
727: | |
728: | if ($this->isConstantArray()->yes() && $typeToRemove instanceof HasOffsetValueType) { |
729: | return $this->unsetOffset($typeToRemove->getOffsetType()); |
730: | } |
731: | |
732: | return null; |
733: | } |
734: | |
735: | public function exponentiate(Type $exponent): Type |
736: | { |
737: | return new ErrorType(); |
738: | } |
739: | |
740: | public function getFiniteTypes(): array |
741: | { |
742: | return []; |
743: | } |
744: | |
745: | |
746: | |
747: | |
748: | public static function __set_state(array $properties): Type |
749: | { |
750: | return new self( |
751: | $properties['keyType'], |
752: | $properties['itemType'], |
753: | ); |
754: | } |
755: | |
756: | } |
757: | |