original_string: protected function filterService()
      {
          if (empty($_GET['service'])) {
              return false;
          }
          if (is_null($this->service_filter)) {
              return true;
          }
          return (true == call_user_func($this->service_filter, $_GET['service']));
      }
code: protected function filterService()
      {
          if (empty($_GET['service'])) {
              return false;
          }
          if (is_null($this->service_filter)) {
              return true;
          }
          return (true == call_user_func($this->service_filter, $_GET['service']));
      }
code_tokens: protected function filterService ( ) { if ( empty ( $ _GET [ 'service' ] ) ) { return false ; } if ( is_null ( $ this -> service_filter ) ) { return true ; } return ( true == call_user_func ( $ this -> service_filter , $ _GET [ 'service' ] ) ) ; }
docstring: Validate if the proxied service is authenticated
  
  @return bool
docstring_tokens: Validate if the proxied service is authenticated