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<?php
namespace Yiisoft\EventDispatcher\Dispatcher;
use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\EventDispatcher\ListenerProviderInterface;
use Psr\EventDispatcher\StoppableEventInterface;
/**
* Dispatcher executes listeners attached to event passed
* @see https://www.php-fig.org/psr/psr-14/
*/
final class Dispatcher implements EventDispatcherInterface
{
private ListenerProviderInterface $listenerProvider;
public function __construct(ListenerProviderInterface $listenerProvider)
$this->listenerProvider = $listenerProvider;
}
public function dispatch(object $event): object
foreach ($this->listenerProvider->getListenersForEvent($event) as $listener) {
if ($event instanceof StoppableEventInterface && $event->isPropagationStopped()) {
return $event;
$this->handle($event, $listener);
private function handle(object $event, callable $listener)
$listener($event);
yiisoft /
event-dispatcher
