public function disconnect()
    {
        if ($this->isConnected()) {
            $this->_connection->close();
            $this->_connection = null;
            $this->_connected  = false;
        }

        return $this;
    }
public function disconnect()
    {
        if ($this->isConnected()) {
            $this->_connection->close();
            $this->_connection = null;
            $this->_connected  = false;
        }

        return $this;
    }
public function disconnect ( ) { if ( $ this -> isConnected ( ) ) { $ this -> _connection -> close ( ) ; $ this -> _connection = null ; $ this -> _connected = false ; } return $ this ; }
Disconnect from db

@return AnDatabaseAdapterMysqli
Disconnect from db