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benit8/event-emitter
====================

PHP event emitter with namespaces

v1.2.0(3y ago)042MITPHPPHP >=7.4

Since Mar 24Pushed 3y ago1 watchersCompare

[ Source](https://github.com/benit8/event-emitter)[ Packagist](https://packagist.org/packages/benit8/event-emitter)[ RSS](/packages/benit8-event-emitter/feed)WikiDiscussions master Synced 1mo ago

READMEChangelogDependencies (2)Versions (3)Used By (0)

Event emitter
=============

[](#event-emitter)

An event emitter that supports namespaces.

Installing
----------

[](#installing)

```
$ composer require benit8/event-emitter
```

Usage
-----

[](#usage)

You can either extend the `EventEmitter` class or use the `EventEmitterTrait`. An interface `EventEmitterInterface` is also available.

```
use Benit8\EventEmitter\EventEmitterTrait;

class MyReactor
{
	use EventEmitterTrait;
}
```

### Reference

[](#reference)

#### Adding listeners

[](#adding-listeners)

```
$ev->on('user.created', function ($user) {
	// Fired every time a 'user.created' event is emitted
});

$ev->on('user', function ($user) {
	// Listening to all 'user.*' events
});
```

#### Adding one-shot listeners

[](#adding-one-shot-listeners)

```
$ev->once('user.created', function ($user) {
	// Will remove itself after firing
});
```

#### Emitting events

[](#emitting-events)

```
$user = new User(/* ... */);

// Will trigger 'user.created' and 'user' listeners
$ev->emit('user.created', $user);
```

#### Removing a listener

[](#removing-a-listener)

```
$ev->removeListener('user.created', $myCallable);
```

#### Removing all listeners

[](#removing-all-listeners)

```
// All listeners
$ev->removeAllListeners();

// Subset listeners
$ev->removeAllListeners('user');
```

###  Health Score

22

—

LowBetter than 23% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity8

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity45

Maturing project, gaining track record

 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 ~4 days

Total

2

Last Release

1137d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/d7060250cee1e2f1cb809925950b1736e05aba382e6339c929af5889c5fe29cb?d=identicon)[benit8](/maintainers/benit8)

---

Top Contributors

[![benit8](https://avatars.githubusercontent.com/u/10747470?v=4)](https://github.com/benit8 "benit8 (4 commits)")

###  Code Quality

Static AnalysisPHPStan

Type Coverage Yes

### Embed Badge

![Health badge](/badges/benit8-event-emitter/health.svg)

```
[![Health](https://phpackages.com/badges/benit8-event-emitter/health.svg)](https://phpackages.com/packages/benit8-event-emitter)
```

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