N98\Magento\DbSettings::getConnection PHP Method

    public function getConnection()
    {
        if (!extension_loaded('pdo_mysql')) {
            throw new RuntimeException('pdo_mysql extension is not installed');
        }
        $database = $this->getDatabaseName();
        $connection = new PDO($this->getDsn(), $this->getUsername(), $this->getPassword());
        /** @link http://bugs.mysql.com/bug.php?id=18551 */
        $connection->query("SET SQL_MODE=''");
        try {
            $connection->query('USE ' . $this->quoteIdentifier($database));
        } catch (PDOException $e) {
            $message = sprintf("Unable to use database '%s': %s %s", $database, get_class($e), $e->getMessage());
            throw new RuntimeException($message, 0, $e);
        }
        $connection->query("SET NAMES utf8");
        $connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
        $connection->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, true);
        return $connection;
    }