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smoothphp/eventdispatcher
=========================

Smooth Php Event Dispatcher

v5.0.0(9y ago)113MITPHPPHP >=5.5.0

Since Oct 14Pushed 8y ago1 watchersCompare

[ Source](https://github.com/SmoothPhp/EventDispatcher)[ Packagist](https://packagist.org/packages/smoothphp/eventdispatcher)[ RSS](/packages/smoothphp-eventdispatcher/feed)WikiDiscussions master Synced 1mo ago

READMEChangelogDependencies (2)Versions (22)Used By (0)

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

[](#event-dispatcher)

Smoothphps event dispatcher is yet another php event dispatcher, what makes this package different to the others is its ability to detect when a Event listener should fire at run time.

In event sourcing you may which to rerun all of your events back though there handlers, which is great however some handlers you do not wish to run again. This tends to be handlers which generate new events or talk to 3rd parties. Otherwise as you replay your events over and over, you will generate new duplicate events. This can be avoided by implementation a Projection interface.

```
use SmoothPhp\Contracts\EventDispatcher\Projection;
use SmoothPhp\EventDispatcher\ProjectEnabledDispatcher;

class MemberRegistered implements Event
{
    ...
}

final class ProjectionOnlyMemberMysqlListener implements Projection
{
    public function handleEvent(MemberRegistered $e)
    {
        db()->insert($e)
    }
}
final class NoneProjectionOnlyMemberThirdPartListener
{
    /** Do not run on reply */
    public function handleEvent(MemberRegistered $e)
    {
        curl()->send($e)
    }
}

$dispatcher = new ProjectEnabledDispatcher();

$dispatcher->addListener('MemberRegistered', [new ProjectionOnlyMemberMysqlListener, 'handleEvent']);
$dispatcher->addListener('MemberRegistered',[new ProjectEnabledDispatcher,'handleEvent']);

$dispatcher->dispatch('MemberRegistered', [],true);
```

When calling the dispatch method we specify we only want to run projections. This enables us to change at run time. When true the event dispatcher will not fire to any listener that does not implement Projection

###  Health Score

28

—

LowBetter than 54% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity7

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity67

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 ~21 days

Recently: every ~92 days

Total

21

Last Release

3457d ago

Major Versions

v1.1.8 → v2.0.02015-11-26

v2.0.0 → v3.0.02015-11-26

v3.1.0 → v4.0.02016-11-29

v4.0.1 → v5.0.02016-11-29

### Community

Maintainers

![](https://www.gravatar.com/avatar/da1c1f6153f37ed1ab43c1169931fd35fa57d80d661425f1a57ca4a39cd6b70e?d=identicon)[mrsimonbennett](/maintainers/mrsimonbennett)

---

Top Contributors

[![mrsimonbennett](https://avatars.githubusercontent.com/u/1471305?v=4)](https://github.com/mrsimonbennett "mrsimonbennett (12 commits)")

---

Tags

event dispatchersmooth php

###  Code Quality

TestsPHPUnit

### Embed Badge

![Health badge](/badges/smoothphp-eventdispatcher/health.svg)

```
[![Health](https://phpackages.com/badges/smoothphp-eventdispatcher/health.svg)](https://phpackages.com/packages/smoothphp-eventdispatcher)
```

###  Alternatives

[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)[evenement/evenement

Événement is a very simple event dispatching library for PHP

1.4k147.0M319](/packages/evenement-evenement)[phly/phly-event-dispatcher

Experimental event dispatcher for PSR-14

26209.9k4](/packages/phly-phly-event-dispatcher)

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