Symfony\Polyfill\Mbstring

Mbstring::mb_decode_numericentity │ public static │ CF7 1.0

Метод класса: Mbstring{}

Хуков нет.

Возвращает

null. Ничего (null).

Использование

$result = Mbstring::mb_decode_numericentity( $s, $convmap, $encoding );

$s(обязательный)

.

$convmap(обязательный)

.

$encoding

.
По умолчанию: null

Код Mbstring::mb_decode_numericentity() Mbstring::mb decode numericentity ^{CF7 6.2.4.1}

public static function mb_decode_numericentity($s, $convmap, $encoding = null)
{
    if (null !== $s && !\is_scalar($s) && !(\is_object($s) && method_exists($s, '__toString'))) {
        trigger_error('mb_decode_numericentity() expects parameter 1 to be string, '.\gettype($s).' given', \E_USER_WARNING);

        return null;
    }

    if (!\is_array($convmap) || (80000 > \PHP_VERSION_ID && !$convmap)) {
        return false;
    }

    if (null !== $encoding && !\is_scalar($encoding)) {
        trigger_error('mb_decode_numericentity() expects parameter 3 to be string, '.\gettype($s).' given', \E_USER_WARNING);

        return '';  // Instead of null (cf. mb_encode_numericentity).
    }

    $s = (string) $s;
    if ('' === $s) {
        return '';
    }

    $encoding = self::getEncoding($encoding);

    if ('UTF-8' === $encoding) {
        $encoding = null;
        if (!preg_match('//u', $s)) {
            $s = self::scrubUtf8($s);
        }
    } else {
        $s = self::iconv($encoding, 'UTF-8', $s);
    }

    $cnt = floor(\count($convmap) / 4) * 4;

    for ($i = 0; $i < $cnt; $i += 4) {
        // collector_decode_htmlnumericentity ignores $convmap[$i + 3]
        $convmap[$i] += $convmap[$i + 2];
        $convmap[$i + 1] += $convmap[$i + 2];
    }

    $s = preg_replace_callback('/&#(?:0*([0-9]+)|x0*([0-9a-fA-F]+))'.(\PHP_VERSION_ID >= 80200 ? '' : '(?!&)').';?/', static function (array $m) use ($cnt, $convmap) {
        $c = isset($m[2]) ? (int) hexdec($m[2]) : $m[1];
        for ($i = 0; $i < $cnt; $i += 4) {
            if ($c >= $convmap[$i] && $c <= $convmap[$i + 1]) {
                return self::mb_chr($c - $convmap[$i + 2]);
            }
        }

        return $m[0];
    }, $s);

    if (null === $encoding) {
        return $s;
    }

    return self::iconv('UTF-8', $encoding, $s);
}