original_string: public function exec($command)
      {
          $result = @ftp_exec($this->connection, $command);
          
          if ($result === false) {
              throw new Exception('Unable to exec command');
          }
  
          return $this;
      }
code: public function exec($command)
      {
          $result = @ftp_exec($this->connection, $command);
          
          if ($result === false) {
              throw new Exception('Unable to exec command');
          }
  
          return $this;
      }
code_tokens: public function exec ( $ command ) { $ result = @ ftp_exec ( $ this -> connection , $ command ) ; if ( $ result === false ) { throw new Exception ( 'Unable to exec command' ) ; } return $ this ; }
docstring: Requests execution of a command on the FTP server
  
  @param string $command
  
  @return FTPClient
docstring_tokens: Requests execution of a command on the FTP server