try {
    self::connect()->beginTransaction();

        foreach($queriesWithParams as $query => $params) {
            $stmt = self::connect()->prepare($query);
            $stmt->execute($params);
        }
    self::connect()->commit();
    return true;
    }
    catch (Exception $e) {
        self::connect()->rollBack();
        self::exception_handler($e->getCode(), $e->getMessage(), $e->getLine(), $e->getFile());
        return false;
    }