public function EventDispatcherInterface::addListener

Adds an event listener that listens on the specified events.

@api

Parameters

string $eventName The event to listen on:

callable $listener The listener:

integer $priority The higher this value, the earlier an event: listener will be triggered in the chain (defaults to 0)

File

drupal/core/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/EventDispatcherInterface.php, line 50

Class

EventDispatcherInterface

The EventDispatcherInterface is the central point of Symfony's event listener system. Listeners are registered on the manager and events are dispatched through the manager.

Namespace

Code

public function addListener($eventName, $listener, $priority = 0);