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PHP polyfills

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iconv(): Wrong encoding, conversion from "ASCII" to "UTF-8//IGNORE" is not allowed

danielmarschall opened this issue · comments

commented

Hello,

I noticed that there is an incompatibility with the mbstring polyfill and PHP 8.1 / Alpine Linux,
which breaks a lot of my projects as soon as the php81-mbstring is not installed, but php81-iconv is installed:

Example:

Warning: iconv(): Wrong encoding, conversion from "ASCII" to "UTF-8//IGNORE" is not allowed in phar:///var/www/localhost/htdocs/phpstan.phar/vendor/symfony/polyfill-mbstring/Mbstring.php on line 736

It looks like //IGNORE is not accepted since echo iconv('UTF-8', 'UTF-8', 'test'); works, while echo iconv('UTF-8', 'UTF-8//IGNORE', 'test'); doesn't

commented

iconv on Alpine is really broken. You should consider installing ext-mbstring.