public function ContainerAwareEventDispatcher::addSubscriber in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php \Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher::addSubscriber()

Adds an event subscriber.

The subscriber is asked for all the events he is interested in and added as a listener for these events.

Parameters

EventSubscriberInterface $subscriber The subscriber.:

Overrides EventDispatcherInterface::addSubscriber

File

core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php, line 206

Contains \Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher.

Class

ContainerAwareEventDispatcher

A performance optimized container aware event dispatcher.

Namespace

Drupal\Component\EventDispatcher

Code

public function addSubscriber(EventSubscriberInterface $subscriber) {
  foreach ($subscriber
    ->getSubscribedEvents() as $event_name => $params) {
    if (is_string($params)) {
      $this
        ->addListener($event_name, array(
        $subscriber,
        $params,
      ));
    }
    elseif (is_string($params[0])) {
      $this
        ->addListener($event_name, array(
        $subscriber,
        $params[0],
      ), isset($params[1]) ? $params[1] : 0);
    }
    else {
      foreach ($params as $listener) {
        $this
          ->addListener($event_name, array(
          $subscriber,
          $listener[0],
        ), isset($listener[1]) ? $listener[1] : 0);
      }
    }
  }
}