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PHP polyfills

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polyfill-mbstring: mb_check_encoding crashes for array input

ondrejmirtes opened this issue · comments

commented

Hi,
mb_check_encoding accepts an array of strings: https://3v4l.org/i5MBi

But Symfony\Polyfill\Mbstring\Mbstring::mb_check_encoding crashes with the same input:

Uncaught TypeError: preg_match(): Argument #2 ($subject) must be of type string, array given in /Users/ondrej/Development/phpstan/vendor/symfony/polyfill-mbstring/Mbstring.php:440
#0 /Users/ondrej/Development/phpstan/vendor/symfony/polyfill-mbstring/Mbstring.php(440): preg_match('//u', Array)
#1 /Users/ondrej/Development/phpstan/vendor/symfony/polyfill-mbstring/Mbstring.php(416): Symfony\Polyfill\Mbstring\Mbstring::mb_detect_encoding(Array, Array)
#2 /Users/ondrej/Development/phpstan/src/Type/Php/StrCaseFunctionsReturnTypeExtension.php(82): Symfony\Polyfill\Mbstring\Mbstring::mb_check_encoding(Array, 'UTF-8')

Tested with symfony/polyfill-mbstring v1.27.0.

Thanks :)