PHPFusion\QuantumFields::is_serialized PHP Méthode

    public static function is_serialized($value, &$result = NULL)
    {
        // Bit of a give away this one
        if (!is_string($value)) {
            return FALSE;
        }
        // Serialized FALSE, return TRUE. unserialize() returns FALSE on an
        // invalid string or it could return FALSE if the string is serialized
        // FALSE, eliminate that possibility.
        if ('b:0;' === $value) {
            $result = FALSE;
            return TRUE;
        }
        $length = strlen($value);
        $end = '';
        if (isset($value[0])) {
            switch ($value[0]) {
                case 's':
                    if ('"' !== $value[$length - 2]) {
                        return FALSE;
                    }
                case 'b':
                case 'i':
                case 'd':
                    // This looks odd but it is quicker than isset()ing
                    $end .= ';';
                case 'a':
                case 'O':
                    $end .= '}';
                    if (':' !== $value[1]) {
                        return FALSE;
                    }
                    switch ($value[2]) {
                        case 0:
                        case 1:
                        case 2:
                        case 3:
                        case 4:
                        case 5:
                        case 6:
                        case 7:
                        case 8:
                        case 9:
                            break;
                        default:
                            return FALSE;
                    }
                case 'N':
                    $end .= ';';
                    if ($value[$length - 1] !== $end[0]) {
                        return FALSE;
                    }
                    break;
                default:
                    return FALSE;
            }
        }
        if (($result = @unserialize($value)) === FALSE) {
            $result = NULL;
            return FALSE;
        }
        return TRUE;
    }

/**
 * Unserialization of choices
 * @param $input
 * @return array
 */
function uncomposeSelection($input)
{
    if ($input !== "" && \PHPFusion\QuantumFields::is_serialized($input)) {
        return (array) unserialize($input);
    }
    return array();
}