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Example code of pleets/php-event-dispatcher

Informations about the package php-event-dispatcher

PSR-14 Event Dispatcher

Quality Gate Status

Event Dispatching is a common and well-tested mechanism to allow developers to inject logic into an application easily and consistently. This library was developed according to PSR-14 and all interfaces in psr/event-dispatcher were implemented.

You can download this project as follows.

Usage

Creating Events

An Event is a message produced by an Emitter. It may be any arbitrary PHP object. You can create an event extending the Event class.

Creating Listeners

A Listener is any PHP callable that expects to be passed an Event. Zero or more Listeners may be passed the same Event. A Listener MAY enqueue some other asynchronous behavior if it so chooses. You can create a listener extending the Listener class.

Creating Listener Providers and subscribing events

A Listener Provider is responsible for determining what Listeners are relevant for a given Event, but MUST NOT call the Listeners itself. A Listener Provider may specify zero or more relevant Listeners. You can create a listener provider as follows.

Dispatching your events

A Dispatcher is a service object that is given an Event object by an Emitter. The Dispatcher is responsible for ensuring that the Event is passed to all relevant Listeners, but MUST defer determining the responsible listeners to a Listener Provider. You can dispatch you events as follows.

All listeners will be informed about this event and will be executed.

All versions of php-event-dispatcher with dependencies

PHP Build Version
Package Version
Requires php Version 7.4.*
psr/event-dispatcher Version ^1.0
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