piko/event-dispatcher

A basic PSR-14 implementation using a priority queue

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Details

github.com/piko-framework/event-dispatcher

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Installs: 238

Dependents: 1

Suggesters: 0

Security: 0

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Watchers: 1

Forks: 0

Open Issues: 0

v1.1 2022-11-13 19:35 UTC

Requires

Requires (Dev)

Provides

MIT f9ef6d608d6d49ab3d959ba5ad2dc97ed35e7c30

event-dispatchereventpsr-14

This package is auto-updated.

Last update: 2024-10-13 23:52:53 UTC

README

Tests Coverage Status

This package offers a simple event dispatcher using an event priority queue, following the PSR-14 Event Dispatcher recommendation.

Installation

Via Composer

composer require piko/event-dispatcher

Then ensure that the following file is included in your PHP project:

require 'vendor/autoload.php'; // The Composer autoloader

usage

use Piko\Event;
use Piko\ListenerProvider;
use Piko\EventDispatcher;

class MyEvent extends \Piko\Event
{
    public $value;
}

$provider = new ListenerProvider();
$dispatcher = new EventDispatcher($provider);
$event = new MyEvent();

$provider->addListenerForEvent(MyEvent::class, function(MyEvent $event) {
    $event->value .= 'World !';
});

$provider->addListenerForEvent(MyEvent::class, function(MyEvent $event) {
    $event->value .= 'Hello ';
}, 10); // Set the priority to 10

$dispatcher->dispatch($event);

echo $event->value; // Hello World!