original_string: protected function _send($request)
      {
          if (!is_resource($this->_socket)) {
              /**
               * @see Zend_Mail_Protocol_Exception
               */
              // require_once 'Zend/Mail/Protocol/Exception.php';
              throw new Zend_Mail_Protocol_Exception('No connection has been established to ' . $this->_host);
          }
  
          $this->_request = $request;
  
          $result = fwrite($this->_socket, $request . self::EOL);
  
          // Save request to internal log
          $this->_addLog($request . self::EOL);
  
          if ($result === false) {
              /**
               * @see Zend_Mail_Protocol_Exception
               */
              // require_once 'Zend/Mail/Protocol/Exception.php';
              throw new Zend_Mail_Protocol_Exception('Could not send request to ' . $this->_host);
          }
  
          return $result;
      }
code: protected function _send($request)
      {
          if (!is_resource($this->_socket)) {
              /**
               * @see Zend_Mail_Protocol_Exception
               */
              // require_once 'Zend/Mail/Protocol/Exception.php';
              throw new Zend_Mail_Protocol_Exception('No connection has been established to ' . $this->_host);
          }
  
          $this->_request = $request;
  
          $result = fwrite($this->_socket, $request . self::EOL);
  
          // Save request to internal log
          $this->_addLog($request . self::EOL);
  
          if ($result === false) {
              /**
               * @see Zend_Mail_Protocol_Exception
               */
              // require_once 'Zend/Mail/Protocol/Exception.php';
              throw new Zend_Mail_Protocol_Exception('Could not send request to ' . $this->_host);
          }
  
          return $result;
      }
code_tokens: protected function _send ( $ request ) { if ( ! is_resource ( $ this -> _socket ) ) { /**
               * @see Zend_Mail_Protocol_Exception
               */ // require_once 'Zend/Mail/Protocol/Exception.php'; throw new Zend_Mail_Protocol_Exception ( 'No connection has been established to ' . $ this -> _host ) ; } $ this -> _request = $ request ; $ result = fwrite ( $ this -> _socket , $ request . self :: EOL ) ; // Save request to internal log $ this -> _addLog ( $ request . self :: EOL ) ; if ( $ result === false ) { /**
               * @see Zend_Mail_Protocol_Exception
               */ // require_once 'Zend/Mail/Protocol/Exception.php'; throw new Zend_Mail_Protocol_Exception ( 'Could not send request to ' . $ this -> _host ) ; } return $ result ; }
docstring: Send the given request followed by a LINEEND to the server.
  
  @param  string $request
  @throws Zend_Mail_Protocol_Exception
  @return integer|boolean Number of bytes written to remote host
docstring_tokens: Send the given request followed by a LINEEND to the server .