A Question About Events

Yii 2.0 General Discussions
1

This is my scenario:

I want a javascript notify system.

refer to Yii2 docs I can write it as a global event(when something happened a global event will be raise)

Is the Controller right place to trig an event?

for example




public function actionTest()

	{

                if (Yii::$app->session->hasFlash('success'))

                        Yii::$app->trigger($eventNotify);

                //do something

		return $this->render('test');

	}

Where can I attach handler to this event




Yii::$app->on($eventNotify, $handler);
2

Anywhere before raising an event.

3

Sounds like you are mixing up something here. Javascript runs on the browser while PHP/Yii runs on the server, you can not use Yii events in Javascript.

4

Yes, I know it.

my point was global event, maybe bad example:D

where is better place for a global event?

5

If you want truly global handler that should trigger no matter which controller or module is executed you need to attach it before routing started. So index.php, config file.