halimonalexander/dispatcher

Dispatcher library

Dispatcher

Events dispatcher Library, _(*1)

, _(*2)

Install

$ composer require halimonalexander/dispatcher

Example of usage

use HalimonAlexander\Dispatcher\Dispatcher;
use HalimonAlexander\Dispatcher\Event;
use HalimonAlexander\Dispatcher\Listener;

class FooBarEvent extends Event
{
    public const EVENT_NAME = 'FooBar';

    public function foo(): void
    {
        //...
    }

    public function bar(): void
    {
        //...
    }
}

class FooListener extends Listener
{
    public function __invoke(Event $event) : void
    {
        if ($event instanceof FooBarEvent) {
            $event->foo();
        }
    }
}

class BarListener extends Listener
{
    public function __invoke(Event $event) : void
    {
        if ($event instanceof FooBarEvent) {
            $event->bar();
        }
    }
}

$dispatcher = new Dispatcher();
$dispatcher->addListener(FooBarEvent::EVENT_NAME, new FooListener());
$dispatcher->addListener(FooBarEvent::EVENT_NAME, new BarListener());
// ...
$dispatcher->dispatch(FooBarEvent::EVENT_NAME, new FooBarEvent());