function Mbstring::mb_chr

1 call to Mbstring::mb_chr()

Mbstring::mb_decode_numericentity in vendor/symfony/polyfill-mbstring/Mbstring.php

File

vendor/symfony/polyfill-mbstring/Mbstring.php, line 794

Class

Mbstring

Partial mbstring implementation in PHP, iconv based, UTF-8 centric.

Namespace

Symfony\Polyfill\Mbstring

Code

public static function mb_chr($code, $encoding = null) {
    if (0x80 > ($code %= 0x200000)) {
        $s = \chr($code);
    }
    elseif (0x800 > $code) {
        $s = \chr(0xc0 | $code >> 6) . \chr(0x80 | $code & 0x3f);
    }
    elseif (0x10000 > $code) {
        $s = \chr(0xe0 | $code >> 12) . \chr(0x80 | $code >> 6 & 0x3f) . \chr(0x80 | $code & 0x3f);
    }
    else {
        $s = \chr(0xf0 | $code >> 18) . \chr(0x80 | $code >> 12 & 0x3f) . \chr(0x80 | $code >> 6 & 0x3f) . \chr(0x80 | $code & 0x3f);
    }
    if ('UTF-8' !== ($encoding = self::getEncoding($encoding))) {
        $s = mb_convert_encoding($s, $encoding, 'UTF-8');
    }
    return $s;
}