function ContainerAwareEventDispatcher::addListener

phpcs:ignore Drupal.Commenting.FunctionComment.VoidReturn

Return value

void

File

core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php, line 217

Class

ContainerAwareEventDispatcher

A performance optimized container aware event dispatcher.

Namespace

Code

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