function AbstractUnicodeString::folded

Overrides AbstractString::folded

File

vendor/symfony/string/AbstractUnicodeString.php, line 187

Class

AbstractUnicodeString

Represents a string of abstract Unicode characters.

Namespace

Symfony\Component\String

Code

public function folded(bool $compat = true) : static {
    $str = clone $this;
    if (!$compat || !\defined('Normalizer::NFKC_CF')) {
        $str->string = normalizer_normalize($str->string, $compat ? \Normalizer::NFKC : \Normalizer::NFC);
        $str->string = mb_strtolower(str_replace(self::FOLD_FROM, self::FOLD_TO, $str->string), 'UTF-8');
    }
    else {
        $str->string = normalizer_normalize($str->string, \Normalizer::NFKC_CF);
    }
    return $str;
}