original_string: protected function stopSession()
  	{
  		if ( $this->_session === null ) {
  			return;
  		}
  
  		$this->_session->stop();
  		$this->_session = null;
  	}
code: protected function stopSession()
  	{
  		if ( $this->_session === null ) {
  			return;
  		}
  
  		$this->_session->stop();
  		$this->_session = null;
  	}
code_tokens: protected function stopSession ( ) { if ( $ this -> _session === null ) { return ; } $ this -> _session -> stop ( ) ; $ this -> _session = null ; }
docstring: Stops session.
  
  @return void
docstring_tokens: Stops session .