public function ContainerAwareEventDispatcher::removeSubscriber in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php \Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher::removeSubscriber()

File

core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php, line 308

Class

ContainerAwareEventDispatcher

A performance optimized container aware event dispatcher.

Namespace

Drupal\Component\EventDispatcher

Code

public function removeSubscriber(EventSubscriberInterface $subscriber) {
  foreach ($subscriber
    ->getSubscribedEvents() as $event_name => $params) {
    if (is_array($params) && is_array($params[0])) {
      foreach ($params as $listener) {
        $this
          ->removeListener($event_name, [
          $subscriber,
          $listener[0],
        ]);
      }
    }
    else {
      $this
        ->removeListener($event_name, [
        $subscriber,
        is_string($params) ? $params : $params[0],
      ]);
    }
  }
}