README

Yii Boot Event Dispatcher

An way to define an event listener with the AsEventListener PHP attribute. This allows to configure the listener inside its class, without having to add any configuration in external files

Requirements

• PHP 8.1 or higher.

Installation

The package could be installed with composer:

composer require yiiboot/event-dispatcher

General usage

the config/params.php

return [
    // ...
    'yiiboot/attributed' => [
        'paths' => [
            // ...
            dirname(__DIR__) . '/src/EventListener',
        ]
    ]
];

the src/EventListener/MyMultiListener.php

namespace App\EventListener;

use Yiiboot\EventDispatcher\Attribute\AsEventListener;

#[AsEventListener(event: CustomEvent::class, method: 'onCustomEvent')]
#[AsEventListener(event: FooEvent::class, priority: 42)]
#[AsEventListener(method: 'onBarEvent', group: ['console', 'web'], env: 'prod')]
final class MyMultiListener
{
    public function onCustomEvent(CustomEvent $event): void
    {
        // ...
    }

    public function onFooEvent(FooEvent $event): void
    {
        // ...
    }

    public function onBarEvent(BarEvent $event): void
    {
        // ...
    }

    #[AsEventListener]
    public function onMethodEvent(BarEvent $event): void
    {
        // ...
    }
}

Testing

Unit testing

The package is tested with PHPUnit. To run tests:

./vendor/bin/phpunit

Mutation testing

The package tests are checked with Infection mutation framework with Infection Static Analysis Plugin. To run it:

./vendor/bin/roave-infection-static-analysis-plugin

Static analysis

The code is statically analyzed with Psalm. To run static analysis:

./vendor/bin/psalm

Code style

Use Rector to make codebase follow some specific rules or use either newest or any specific version of PHP:

./vendor/bin/rector

Dependencies

Use ComposerRequireChecker to detect transitive Composer dependencies.

License

The Yii Boot Event Dispatcher is free software. It is released under the terms of the Apache-2.0 License. Please see LICENSE for more information.

Maintained by Yii Boot.

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Inspired && Thanks

• Yii Software
• Symfony