src/Parser/ServerParse.php
public static function rollabckCheck(string $stmt, int $offset)
    {
        if (strlen($stmt) > $offset + 6) {
            $c1 = $stmt[++$offset];
            $c2 = $stmt[++$offset];
            $c3 = $stmt[++$offset];
            $c4 = $stmt[++$offset];
            $c5 = $stmt[++$offset];
            $c6 = $stmt[++$offset];
            if (($c1 == 'L' || $c1 == 'l')
                && ($c2 == 'L' || $c2 == 'l')
                && ($c3 == 'B' || $c3 == 'b')
                && ($c4 == 'A' || $c4 == 'a')
                && ($c5 == 'C' || $c5 == 'c')
                && ($c6 == 'K' || $c6 == 'k')
                && (strlen($stmt) == ++$offset || ParseUtil::isEOF($stmt[$offset]))) {
                return self::ROLLBACK;
            }
        }
        return self::OTHER;
    }
public static function rollabckCheck(string $stmt, int $offset)
    {
        if (strlen($stmt) > $offset + 6) {
            $c1 = $stmt[++$offset];
            $c2 = $stmt[++$offset];
            $c3 = $stmt[++$offset];
            $c4 = $stmt[++$offset];
            $c5 = $stmt[++$offset];
            $c6 = $stmt[++$offset];
            if (($c1 == 'L' || $c1 == 'l')
                && ($c2 == 'L' || $c2 == 'l')
                && ($c3 == 'B' || $c3 == 'b')
                && ($c4 == 'A' || $c4 == 'a')
                && ($c5 == 'C' || $c5 == 'c')
                && ($c6 == 'K' || $c6 == 'k')
                && (strlen($stmt) == ++$offset || ParseUtil::isEOF($stmt[$offset]))) {
                return self::ROLLBACK;
            }
        }
        return self::OTHER;
    }
ROLLBACK