| .. | ||
| composer.json | ||
| Event.php | ||
| EventDispatcher.php | ||
| EventDispatcherInterface.php | ||
| EventSubscriberInterface.php | ||
| LICENSE | ||
| README.md | ||
EventDispatcher Component
EventDispatcher implements a lightweight version of the Observer design pattern.
use Symfony\Component\EventDispatcher\EventDispatcher;
use Symfony\Component\EventDispatcher\Event;
$dispatcher = new EventDispatcher();
$dispatcher->addListener('event_name', function (Event $event) {
// ...
});
$dispatcher->dispatch('event_name');
Resources
Unit tests:
https://github.com/symfony/symfony/tree/master/tests/Symfony/Tests/Component/EventDispatcher