public function __construct($host, $port, $driver_name = null, $enabled = true)
{
$this->enabled = $enabled;
$this->driver = DriverManager::load($host, $port, $driver_name);
$this->keys = null;
$this->keys_key = 'keys';
}
public function __construct($host, $port, $driver_name = null)
{
$this->driver = DriverManager::load($host, $port, $driver_name);
}