halimonalexander/dispatcher

Dispatcher library

v1.3.3 2021-02-17 07:18 UTC

Requires

• php: ^7.4

Requires (Dev)

• nunomaduro/phpinsights: dev-master
• php-coveralls/php-coveralls: ^2.0
• phpstan/phpstan: ^0.12
• phpunit/phpunit: ^9.5
• squizlabs/php_codesniffer: ^3.5
• vimeo/psalm: ^4.4

BSD-3-Clause

• events
• dispatcher
• listener

README

Events dispatcher Library

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());