original_string: public function start(Request $request, AuthenticationException $authException = null)
      {
          return new RedirectResponse($this->server_login_url.'?'.$this->query_service_parameter.'='.urlencode($request->getUri()));
      }
code: public function start(Request $request, AuthenticationException $authException = null)
      {
          return new RedirectResponse($this->server_login_url.'?'.$this->query_service_parameter.'='.urlencode($request->getUri()));
      }
code_tokens: public function start ( Request $ request , AuthenticationException $ authException = null ) { return new RedirectResponse ( $ this -> server_login_url . '?' . $ this -> query_service_parameter . '=' . urlencode ( $ request -> getUri ( ) ) ) ; }
docstring: Called when authentication is needed, redirect to your CAS server authentication form
docstring_tokens: Called when authentication is needed redirect to your CAS server authentication form