Yii 2.0
Yii 2.0
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Events

Events

  1. Event Handlers
  2. Attaching Event Handlers
  3. Event Handler Order
  4. Triggering Events
  5. Detaching Event Handlers
  6. Class-Level Event Handlers
  7. Events using interfaces
  8. Global Events

Events allow you to inject custom code into existing code at certain execution points. You can attach custom code to an event so that when the event is triggered, the code gets executed automatically. For example, a mailer object may trigger a messageSent event when it successfully sends a message. If you want to keep track of the messages that are successfully sent, you could th