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aesonus/events
==============

v0.2(7y ago)018PHPPHP >=7.1

Since Jul 9Pushed 6y agoCompare

[ Source](https://github.com/Aesonus/events)[ Packagist](https://packagist.org/packages/aesonus/events)[ RSS](/packages/aesonus-events/feed)WikiDiscussions master Synced 2d ago

READMEChangelog (3)Dependencies (2)Versions (5)Used By (0)

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Events
======

[](#events)

A simple Event, Listener,and Dispatcher

Tests
-----

[](#tests)

phpunit

How to use
----------

[](#how-to-use)

Create a dispatcher

```
$dispatcher = new Dispatcher();
```

Extend the base event class for each of your events:

```
class MyEvent extends Event { }
```

Implement listener interface for each of your events and listeners

```
class MyListener implements ListenerInterface {
    ...

```

Implement the handle method in listener to do a specific task:

```
    ...
    public function handle(EventInterface $event): void { }
}
```

Attach listeners to event(s) in a queue:

```
$event = new MyEvent();

$event->attach(new MyListener());
```

You can assign priorities to listeners as well. The default priority is 0.

```
$event->attach(new MyListener(), 3);
```

You can attach multiple listeners using an array.

```
$listeners = [new MyListener(),new MyListener(),new MyListener()];
$event->attach($listeners);
```

Each listener attached will be assigned the given priority:

```
$listeners = [new MyListener(),new MyListener(),new MyListener()];

//They all get a priority of 3
$event->attach($listeners, 3);
```

Note that if the listeners all have the same priority, the queue will start at the first element of the first attached listener(s). Consider the following code:

```
$listenersA = [new MyListenerA(),new MyListenerB()];
$event->attach($listenersA);

$listenersB = [new MyListenerC(),new MyListenerD()];
$event->attach($listenersB);
```

When this event is dispatched, the first listener to receive the event will be MyListenerA.

You can also override the default priority by passing the listener in a numbered array with the element at index 0 is the listener and the element at index 1 is the priority:

```
$listeners = [new MyListener(),[new MyListener(), 2],new MyListener()];

//They all get a priority of 3, except for the the listener at index 1
$event->attach($listeners, 3);
```

Please note that all priorities must be integers. Priorities provided through the array interface that are not integers will be set to the default priority.

Register events with dispatcher

```
$dispatcher->register($event);
```

Dispatch events with class name. This will call the handle method on each listener in the priority queue.

```
$dispatcher->dispatch(MyEvent::class);
```

You can also dispatch an event without the help of a dispatcher:

```
$event->dispatch();
```

The dispatch queue can be interrupted by an exception and resume where it left off.

```
try {
    $event->dispatch(); // This will throw an exception from one of the listeners
} catch (ResumableException $ex) {
    //do stuff to make all better
}

//Resume the dispatch
$event->dispatch();
...
```

The dispatch queue may also be reset to the state it was in just before dispatch() is called:

```
$event->reset();
```

It is important to note that resuming execution of the event queue will change the cached copy of the queue. Use resumability with care.

###  Health Score

23

—

LowBetter than 27% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity6

Limited adoption so far

Community6

Small or concentrated contributor base

Maturity50

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 ~5 days

Total

3

Last Release

2855d ago

Major Versions

v0.2 → v2.0-beta2018-07-20

### Community

Maintainers

![](https://www.gravatar.com/avatar/c43cc8496d84b0c76ac9c62092cc312302a83fbb4558e8e8d1761fe8c9e049bd?d=identicon)[Aesonus](/maintainers/Aesonus)

---

Top Contributors

[![Aesonus](https://avatars.githubusercontent.com/u/24643115?v=4)](https://github.com/Aesonus "Aesonus (20 commits)")

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