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slince/event-dispatcher
=======================

Event dispatcher package

2.0.0(7y ago)96.0k12MITPHPPHP >=5.6.0

Since May 16Pushed 7y ago1 watchersCompare

[ Source](https://github.com/slince/event-dispatcher)[ Packagist](https://packagist.org/packages/slince/event-dispatcher)[ RSS](/packages/slince-event-dispatcher/feed)WikiDiscussions master Synced 1mo ago

READMEChangelogDependencies (1)Versions (5)Used By (2)

Event Dispatcher
================

[](#event-dispatcher)

[![Build Status](https://camo.githubusercontent.com/9f25e58017a91b604af4c4789048f89ab2f26e49d33d2ae6dc3d8306bfce73e9/68747470733a2f2f696d672e736869656c64732e696f2f7472617669732f736c696e63652f6576656e742d646973706174636865722f6d61737465722e7376673f7374796c653d666c61742d737175617265)](https://travis-ci.org/slince/event-dispatcher)[![Coverage Status](https://camo.githubusercontent.com/5f064c460aa81ed3612dbda7f0b892a9af1b7f1c407ebf5cdb7fb4cdcb6e633e/68747470733a2f2f696d672e736869656c64732e696f2f636f6465636f762f632f6769746875622f736c696e63652f6576656e742d646973706174636865722e7376673f7374796c653d666c61742d737175617265)](https://codecov.io/github/slince/event-dispatcher)[![Latest Stable Version](https://camo.githubusercontent.com/7244fd271f5f05d4dd24697f80ab4fcc01d088cc2cf89725080d66c729dc8f06/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f736c696e63652f6576656e742d646973706174636865722e7376673f7374796c653d666c61742d737175617265266c6162656c3d737461626c65)](https://packagist.org/packages/slince/event-dispatcher)[![Scrutinizer](https://camo.githubusercontent.com/45ec8d1a248ccace9ef403b501670296ca673e39cebdb32a149ef1314fdbc2e3/68747470733a2f2f696d672e736869656c64732e696f2f7363727574696e697a65722f672f736c696e63652f6576656e742d646973706174636865722e7376673f7374796c653d666c61742d737175617265)](https://scrutinizer-ci.com/g/slince/event-dispatcher/?branch=master)

### Installation

[](#installation)

Install via composer.

```
$ composer require slince/event-dispatcher
```

### Usage

[](#usage)

#### Creates a event dispatcher

[](#creates-a-event-dispatcher)

```
$dispatcher = new Slince\EventDispatcher\Dispatcher();
```

#### Adds a listener for the specified event

[](#adds-a-listener-for-the-specified-event)

There are two types of listeners: `callable` and `Slince\EventDispatcher\Listener`

- `Slince\EventDispatcher\Listener`

```
use Slince\EventDispatcher\ListenerInterface;

class FooListener implements ListenerInterface
{
     public function handle(Event $event)
     {
         //do something
     }
}

$dispatcher->addListener('foo-event-name', new FooListener());
```

- `callable`

```
$dispatcher->addListener('foo-event-name', function(Event $event){
    //do something
});
```

#### Add a subscriber

[](#add-a-subscriber)

```
use Slince\EventDispatcher\SubscriberInterface;

class FooSubscriber implements SubscriberInterface
{
     public static function getSubscribedEvents(Event $event)
     {
        return [
            'foo' => 'onFoo',
            'bar' => 'onBar'
        ];
     }

    public function onFoo(Event $event)
    {
      //do something
    }

    public function onBar(Event $event)
    {
       //do something
    }
}

$dispatcher->addSubscriber(new FooSubscriber());
```

#### Dispatches the event to the registered listeners

[](#dispatches-the-event-to-the-registered-listeners)

Just provides the event name.

```
$dispatcher->dispatch('foo-event-name');
```

You can also dispatch with an event instance.

```
$dispatcher->dispatch(new Event('foo-event-name'));
```

#### Propagation

[](#propagation)

You can call `stopPropagation` to stop event propagation on the event instance.

```
$dispatcher->addListener('foo-event-name', function(Event $event){
    $event->stopPropagation();
});

$emitter->addListener('foo-event-name', function ($event) {
    // This will not be triggered
});

$dispatcher->dispatch('foo-event-name');
```

Checks whether propagation is stopped

```
$event = new Event('foo-event-name');
$dispatcher->dispatch($event);

$event->isPropagationStopped();
```

### License

[](#license)

The MIT license. See [MIT](https://opensource.org/licenses/MIT)

###  Health Score

34

—

LowBetter than 77% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity28

Limited adoption so far

Community12

Small or concentrated contributor base

Maturity61

Established project with proven stability

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~255 days

Total

4

Last Release

2880d ago

Major Versions

1.0.2 → 2.0.02018-06-21

PHP version history (2 changes)1.0.0PHP >=5.5.9

2.0.0PHP >=5.6.0

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/3785826?v=4)[Tao](/maintainers/slince)[@slince](https://github.com/slince)

---

Top Contributors

[![slince](https://avatars.githubusercontent.com/u/3785826?v=4)](https://github.com/slince "slince (27 commits)")

---

Tags

eventevent-dispatcherevent-listenereventslistenerobserver-patternsubscribereventevent dispatcherlisteneremittersubscriberobserver pattern

###  Code Quality

TestsPHPUnit

### Embed Badge

![Health badge](/badges/slince-event-dispatcher/health.svg)

```
[![Health](https://phpackages.com/badges/slince-event-dispatcher/health.svg)](https://phpackages.com/packages/slince-event-dispatcher)
```

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