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[String] improve slugger's portability accross implementations of iconv()

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This commit is contained in:
Nicolas Grekas 2020-09-15 12:20:00 +02:00
parent ae655bf6d4
commit 21e4e320b4
1 changed files with 4 additions and 4 deletions
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8
src/Symfony/Component/String/AbstractUnicodeString.php
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@ -137,15 +137,15 @@ abstract class AbstractUnicodeString extends AbstractString
}
} elseif (!\function_exists('iconv')) {
$s = preg_replace('/[^\x00-\x7F]/u', '?', $s);
} elseif (\ICONV_IMPL === 'glibc') {
$s = iconv('UTF-8', 'ASCII//TRANSLIT', $s);
} else {
$s = @preg_replace_callback('/[^\x00-\x7F]/u', static function ($c) {
if ('' === $c = (string) iconv('UTF-8', 'ASCII//IGNORE//TRANSLIT', $c[0])) {
$c = (string) iconv('UTF-8', 'ASCII//TRANSLIT', $c[0]);
if ('' === $c && '' === iconv('UTF-8', 'ASCII//TRANSLIT', '²')) {
throw new \LogicException(sprintf('"%s" requires a translit-able iconv implementation, try installing "gnu-libiconv" if you\'re using Alpine Linux.', static::class));
}
return 1 < \strlen($c) ? ltrim($c, '\'`"^~') : (\strlen($c) ? $c : '?');
return 1 < \strlen($c) ? ltrim($c, '\'`"^~') : ('' !== $c ? $c : '?');
}, $s);
}
}