File Porta/psr14Event/Dispatcher.php | PSR-14 PortaBilling ESPF event handling API

1:	<?php
2:
3:	/*
4:	* Library to use PortBilling events with PSR-14 event dispatch
5:	*/
6:
7:	namespace Porta\Psr14Event;
8:
9:	use Psr\EventDispatcher\EventDispatcherInterface;
10:	use Psr\EventDispatcher\ListenerProviderInterface;
11:	use Psr\EventDispatcher\StoppableEventInterface;
12:
13:	/**
14:	* Simple implemention of PSR-14 EventDispatcher
15:	*
16:	* @api
17:	*/
18:	class Dispatcher implements EventDispatcherInterface
19:	{
20:
21:	protected ListenerProviderInterface $provider;
22:
23:	/**
24:	* Setup the Dispatcher with one ListenreProvider
25:	*
26:	* @param ListenerProviderInterface $provider
27:	* @api
28:	*/
29:	public function __construct(ListenerProviderInterface $provider)
30:	{
31:	$this->provider = $provider;
32:	}
33:
34:	/**
35:	* Performs event dispatch as per PSR-14 spec
36:	*
37:	* @param object $event Event to dispatch
38:	* @return object Dispatched event.
39:	*/
40:	public function dispatch(object $event): object
41:	{
42:	foreach ($this->provider->getListenersForEvent($event) as $listener) {
43:	if ($event instanceof StoppableEventInterface && $event->isPropagationStopped()) {
44:	return $event;
45:	}
46:	$listener($event);
47:	}
48:	return $event;
49:	}
50:	}
51: