Interface Symfony\Component\EventDispatcher\EventSubscriberInterface

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An EventSubscriber knows himself what events he is interested in.

If an EventSubscriber is added to an EventDispatcherInterface, the manager invokes {@link getSubscribedEvents} and registers the subscriber as a listener for all returned events.

Public Methods

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MethodDescriptionDefined By
getSubscribedEvents() Returns an array of event names this subscriber wants to listen to. Symfony\Component\EventDispatcher\EventSubscriberInterface

Method Details

getSubscribedEvents() public abstract static method

Returns an array of event names this subscriber wants to listen to.

The array keys are event names and the value can be:

  • The method name to call (priority defaults to 0)
  • An array composed of the method name to call and the priority
  • An array of arrays composed of the method names to call and respective priorities, or 0 if unset

For instance:

  • array('eventName' => 'methodName')
  • array('eventName' => array('methodName', $priority))
  • array('eventName' => array(array('methodName1', $priority), array('methodName2')))
public abstract static array getSubscribedEvents ( )
return array

The event names to listen to