1: | <?php |
2: | |
3: | declare(strict_types=1); |
4: | |
5: | namespace PHPStan\BetterReflection\SourceLocator; |
6: | |
7: | use PHPStan\BetterReflection\SourceLocator\Exception\InvalidFileLocation; |
8: | |
9: | use function is_file; |
10: | use function is_readable; |
11: | use function sprintf; |
12: | |
13: | class FileChecker |
14: | { |
15: | |
16: | public static function assertReadableFile(string $filename): void |
17: | { |
18: | if (empty($filename)) { |
19: | throw new InvalidFileLocation('Filename was empty'); |
20: | } |
21: | |
22: | if (! is_file($filename)) { |
23: | throw new InvalidFileLocation(sprintf('"%s" is not a file', $filename)); |
24: | } |
25: | |
26: | if (! is_readable($filename)) { |
27: | throw new InvalidFileLocation(sprintf('File "%s" is not readable', $filename)); |
28: | } |
29: | } |
30: | } |
31: | |