function EventDispatcher::addSubscriber

Same name in this branch

1. 11.1.x vendor/composer/composer/src/Composer/EventDispatcher/EventDispatcher.php \Composer\EventDispatcher\EventDispatcher::addSubscriber()

Overrides EventDispatcherInterface::addSubscriber

File

vendor/symfony/event-dispatcher/EventDispatcher.php, line 160

Class

EventDispatcher

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

Namespace

Symfony\Component\EventDispatcher

Code

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