public function ContainerAwareEventDispatcher::addListener in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php \Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher::addListener()
2. 10 core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php \Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher::addListener()

1 call to ContainerAwareEventDispatcher::addListener()

ContainerAwareEventDispatcher::addSubscriber in core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php

File

core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php, line 244

Class

ContainerAwareEventDispatcher

A performance optimized container aware event dispatcher.

Namespace

Drupal\Component\EventDispatcher

Code

public function addListener($event_name, $listener, $priority = 0) {
  $this->listeners[$event_name][$priority][] = [
    'callable' => $listener,
  ];
  $this->unsorted[$event_name] = TRUE;
}