Ouzo\Db::_createPdo PHP Method

    private function _createPdo($params)
    {
        $dsn = Arrays::getValue($params, 'dsn');
        $options = Arrays::getValue($params, 'options', array());
        if ($dsn) {
            return new PDO($dsn, '', '', $options);
        }
        $dsn = $this->_buildDsn($params);
        return new PDO($dsn, $params['user'], $params['pass'], $options);
    }