original_string: public function tunnel($host, $port)
      {
          $stream = @ssh2_tunnel($this->connection, $command);
          if(!$stream){
              throw new \Exception('Cannot create tunnel to: '.$host.' on port'.$port);
          }
  
          return $stream;
      }
code: public function tunnel($host, $port)
      {
          $stream = @ssh2_tunnel($this->connection, $command);
          if(!$stream){
              throw new \Exception('Cannot create tunnel to: '.$host.' on port'.$port);
          }
  
          return $stream;
      }
code_tokens: public function tunnel ( $ host , $ port ) { $ stream = @ ssh2_tunnel ( $ this -> connection , $ command ) ; if ( ! $ stream ) { throw new \ Exception ( 'Cannot create tunnel to: ' . $ host . ' on port' . $ port ) ; } return $ stream ; }
docstring: Tunnels a connection
  @param string $host The host to tunnel to via the ssh2 client
  @param integer $port The port to tunnel to via the ssh2 client
  @return stream The tunnel stream
docstring_tokens: Tunnels a connection