Class Salient\Core\EventDispatcher

`final`
`implements`	`EventDispatcherInterface, ListenerProviderInterface, Instantiable`


					
	public

__construct(?ListenerProviderInterface $listenerProvider = null)

Creates a new EventDispatcher object

If a listener provider is given, calls to methods other than {@see EventDispatcher::dispatch()} will fail with a {@see LogicException}.

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	public

listen<TEvent is object>(callable(TEvent): mixed $listener, string[]|string|null $event = null): int

Register an event listener with the dispatcher

Returns a listener ID that can be passed to {@see EventDispatcher::removeListener()}.

$event

An event or array of events. If null, the listener is registered to receive events accepted by its first parameter.

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	public

dispatch<TEvent is object>(TEvent $event): TEvent

Dispatch an event to listeners registered to receive it

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	public

getListenersForEvent<TEvent is object>(TEvent $event): array<callable(TEvent): mixed>

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	public

removeListener(int $id): void

Remove an event listener from the dispatcher

$id

A listener ID returned by {@see EventDispatcher::listen()}.

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