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qubus/event-dispatcher
======================

A framework agnostic Event Dispatcher similar to the one found in Symfony.

v4.0.4(3mo ago)12055MITPHPPHP >=8.4

Since Nov 30Pushed 3mo agoCompare

[ Source](https://github.com/QubusPHP/event-dispatcher)[ Packagist](https://packagist.org/packages/qubus/event-dispatcher)[ Docs](https://github.com/QubusPHP/event-dispatcher)[ RSS](/packages/qubus-event-dispatcher/feed)WikiDiscussions 4.x Synced 1mo ago

READMEChangelogDependencies (5)Versions (23)Used By (5)

Event Dispatcher Component
==========================

[](#event-dispatcher-component)

With the event dispatcher component, you can emit events throughout your application.

Requirements
------------

[](#requirements)

PHP 8.4+

Installation
------------

[](#installation)

```
composer require qubus/event-dispatcher

```

More Info
---------

[](#more-info)

- [Documentation](https://docs.qubusphp.com/event-dispatcher/)
- [Contributing](https://docs.qubusphp.com/contributing/)

###  Health Score

50

—

FairBetter than 95% of packages

Maintenance78

Regular maintenance activity

Popularity16

Limited adoption so far

Community12

Small or concentrated contributor base

Maturity80

Battle-tested with a long release history

 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 ~93 days

Recently: every ~25 days

Total

21

Last Release

118d ago

Major Versions

1.1.x-dev → 2.0.x-dev2022-07-14

v2.0.0 → v3.0.02023-08-25

v3.0.3 → v4.0.02025-09-30

PHP version history (5 changes)v1.0.0PHP ^7.4

v1.1.0PHP ^8.0

2.0.x-devPHP ^8.1

v3.0.0PHP >=8.2

v4.0.0PHP >=8.4

### Community

Maintainers

![](https://www.gravatar.com/avatar/86d25d805eb5b710fab925600008b72f9f5f11a5206154fcd1ded01794a4d1b8?d=identicon)[nomadicjosh](/maintainers/nomadicjosh)

---

Top Contributors

[![nomadicjosh](https://avatars.githubusercontent.com/u/2042176?v=4)](https://github.com/nomadicjosh "nomadicjosh (41 commits)")

---

Tags

eventevent-dispatchereventdispatcherhooksobserver-patternpubsubeventevent dispatcherlisteneremittersubscriberobserver pattern

###  Code Quality

Code StylePHP\_CodeSniffer

### Embed Badge

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

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

###  Alternatives

[league/event

Event package

1.6k141.6M183](/packages/league-event)[doctrine/event-manager

The Doctrine Event Manager is a simple PHP event system that was built to be used with the various Doctrine projects.

6.1k501.1M115](/packages/doctrine-event-manager)

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