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public function EventDispatcher::addListener in Zircon Profile 8.0

Same name and namespace in other branches

8 vendor/symfony/event-dispatcher/EventDispatcher.php \Symfony\Component\EventDispatcher\EventDispatcher::addListener()

Adds an event listener that listens on the specified events.

Parameters

string $eventName The event to listen on:

callable $listener The listener:

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

Overrides EventDispatcherInterface::addListener

2 calls to EventDispatcher::addListener()

ContainerAwareEventDispatcher::lazyLoad in vendor/symfony/event-dispatcher/ContainerAwareEventDispatcher.php: Lazily loads listeners for this event from the dependency injection container.
EventDispatcher::addSubscriber in vendor/symfony/event-dispatcher/EventDispatcher.php: Adds an event subscriber.

File

vendor/symfony/event-dispatcher/EventDispatcher.php, line 89

Class

EventDispatcher: The EventDispatcherInterface is the central point of Symfony's event listener system.

Namespace

Symfony\Component\EventDispatcher

Code

public function addListener($eventName, $listener, $priority = 0) {
  $this->listeners[$eventName][$priority][] = $listener;
  unset($this->sorted[$eventName]);
}