original_string: public function trigger($event_name, $default_handler_callback = "", $event_properties = array())
      {
          $event = null;
          if (isset($this->event_queue[$event_name])) { //if the event already exists, use the handler callback for the event instead of the default handler callback
              $event = $this->event_queue[$event_name];
              $event->setProperties($event_properties);
  
              $handler_callback = $event->getHandlerCallback();
              if (is_callable($handler_callback)) { 
                  $result = call_user_func_array($handler_callback, array($event));
                  $event->setHandlerCallbackReturnValue($result);
              }
          }
          else{ //event does not exist yet, use the default handler callback
              $event = new Event($event_name);
              $event->setProperties($event_properties);
              if (is_callable($default_handler_callback)) {
                  $event->setHandlerCallback($default_handler_callback);
                  $result = call_user_func_array($default_handler_callback, array($event));
                  $event->setHandlerCallbackReturnValue($result);
                  $this->event_queue[$event_name] = $event;
              }
          }
  
          $result = $event->getHandlerCallbackReturnValue();
  
          return $result;
      }
code: public function trigger($event_name, $default_handler_callback = "", $event_properties = array())
      {
          $event = null;
          if (isset($this->event_queue[$event_name])) { //if the event already exists, use the handler callback for the event instead of the default handler callback
              $event = $this->event_queue[$event_name];
              $event->setProperties($event_properties);
  
              $handler_callback = $event->getHandlerCallback();
              if (is_callable($handler_callback)) { 
                  $result = call_user_func_array($handler_callback, array($event));
                  $event->setHandlerCallbackReturnValue($result);
              }
          }
          else{ //event does not exist yet, use the default handler callback
              $event = new Event($event_name);
              $event->setProperties($event_properties);
              if (is_callable($default_handler_callback)) {
                  $event->setHandlerCallback($default_handler_callback);
                  $result = call_user_func_array($default_handler_callback, array($event));
                  $event->setHandlerCallbackReturnValue($result);
                  $this->event_queue[$event_name] = $event;
              }
          }
  
          $result = $event->getHandlerCallbackReturnValue();
  
          return $result;
      }
code_tokens: public function trigger ( $ event_name , $ default_handler_callback = "" , $ event_properties = array ( ) ) { $ event = null ; if ( isset ( $ this -> event_queue [ $ event_name ] ) ) { //if the event already exists, use the handler callback for the event instead of the default handler callback $ event = $ this -> event_queue [ $ event_name ] ; $ event -> setProperties ( $ event_properties ) ; $ handler_callback = $ event -> getHandlerCallback ( ) ; if ( is_callable ( $ handler_callback ) ) { $ result = call_user_func_array ( $ handler_callback , array ( $ event ) ) ; $ event -> setHandlerCallbackReturnValue ( $ result ) ; } } else { //event does not exist yet, use the default handler callback $ event = new Event ( $ event_name ) ; $ event -> setProperties ( $ event_properties ) ; if ( is_callable ( $ default_handler_callback ) ) { $ event -> setHandlerCallback ( $ default_handler_callback ) ; $ result = call_user_func_array ( $ default_handler_callback , array ( $ event ) ) ; $ event -> setHandlerCallbackReturnValue ( $ result ) ; $ this -> event_queue [ $ event_name ] = $ event ; } } $ result = $ event -> getHandlerCallbackReturnValue ( ) ; return $ result ; }
docstring: trigger an event with a default handler callback
docstring_tokens: trigger an event with a default handler callback