original_string: public function sendFile($file) {
  		if ($this->sent) {
  			return $this;
  		}
  
  		$this->setMode(self::MODE_FILE);
  		$this->send($file);
  
  		return $this;
  	}
code: public function sendFile($file) {
  		if ($this->sent) {
  			return $this;
  		}
  
  		$this->setMode(self::MODE_FILE);
  		$this->send($file);
  
  		return $this;
  	}
code_tokens: public function sendFile ( $ file ) { if ( $ this -> sent ) { return $ this ; } $ this -> setMode ( self :: MODE_FILE ) ; $ this -> send ( $ file ) ; return $ this ; }
docstring: Send a file.
  
  @param string $file
  @return self
docstring_tokens: Send a file .