Net_SSH2::_disconnect PHP Method

    function _disconnect($reason)
    {
        if ($this->bitmap & NET_SSH2_MASK_CONNECTED) {
            $data = pack('CNNa*Na*', NET_SSH2_MSG_DISCONNECT, $reason, 0, '', 0, '');
            $this->_send_binary_packet($data);
            $this->bitmap = 0;
            fclose($this->fsock);
            return false;
        }
    }

 /**
  * Disconnect
  *
  * @param Integer $reason
  * @return Boolean
  * @access private
  */
 function _disconnect($reason)
 {
     $this->pwd = false;
     parent::_disconnect($reason);
 }