Pop\Db\Db::__construct PHP 메소드

    public function __construct($type, array $options, $prefix = 'Pop\\Db\\Adapter\\')
    {
        $this->isPdo = strtolower($type) == 'pdo';
        $class = $prefix . ucfirst(strtolower($type));
        if (!class_exists($class)) {
            throw new Exception('Error: That database adapter class does not exist.');
        }
        $this->adapter = new $class($options);
    }