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Final Class Yiisoft\EventDispatcher\Provider\Provider

All Classes | Methods
InheritanceYiisoft\EventDispatcher\Provider\Provider
ImplementsPsr\EventDispatcher\ListenerProviderInterface

Provider is a listener provider that registers event listeners for interfaces used in callable type-hints and gives out a list of handlers by event interface provided for further use with Dispatcher.

$listeners = (new ListenerCollection())->add(function (AfterDocumentProcessed $event) {
   $document = $event->getDocument();
   // do something with document
});

$provider = new Yiisoft\EventDispatcher\Provider\Provider($listeners);

Public Methods

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Method Description Defined By
__construct() Yiisoft\EventDispatcher\Provider\Provider
getListenersForEvent() Yiisoft\EventDispatcher\Provider\Provider

Method Details

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__construct() public method

public mixed __construct ( Yiisoft\EventDispatcher\Provider\ListenerCollection $listeners )
$listeners Yiisoft\EventDispatcher\Provider\ListenerCollection 

                public function __construct(private ListenerCollection $listeners)
{
}
getListenersForEvent() public method

public iterable getListenersForEvent ( object $event )
$event object 

                public function getListenersForEvent(object $event): iterable
{
    yield from $this->listeners->getForEvents($event::class);
    /**
     * @psalm-suppress PossiblyFalseArgument `$event` is object, so `class_parents()` never returns `false`.
     * @psalm-suppress MixedArgument It's needed to PHP 8.0 only.
     */
    yield from $this->listeners->getForEvents(...array_values(class_parents($event)));
    /**
     * @psalm-suppress PossiblyFalseArgument `$event` is object, so `class_implements()` never returns `false`.
     * @psalm-suppress MixedArgument It's needed to PHP 8.0 only.
     */
    yield from $this->listeners->getForEvents(...array_values(class_implements($event)));
}