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Example code of mitch/event-dispatcher

Informations about the package event-dispatcher

Event Dispatcher

This repository has been moved to Big Name. There won't be any support here. Visit Big Name's repository for the newest updates.

An Event Dispatcher built with a focus on Domain Events.

Installation

Begin by installing the package through Composer. Edit your project's composer.json file to require mitch/event-dispatcher.

Next use Composer to update your project from the the Terminal:

Once the package has been installed you'll need to add the service provider. Open your app/config/app.php configuration file, and add a new item to the providers array.

How It Works

Event

In your domain you'll create an event, for let's say when a new user has been added. Lets call this event UserCreatedEvent. This event will hold the necessary information for the listener to fulfill it's job. You have complete freedom about which arguments it takes, since you'll be the one passing them in. In some ways this event is a Date Transfer Object (DTO).

For example:

Listener

An event without a listener does no good for us, so lets create an email listener MailNewlyCreatedUserListener for the event UserCreatedEvent.

Same rule with the listeners as the events, you have complete freedom with the arguments. When an event is dispatched the handle method on the correct listeners will be called.

Listening

Now we got the building blocks ready lets start listening for some new users, shall we. For the sake of this example, the code is kept as simple as possible.

Dispatching multiple

For extra hipster points you can dispatch multiple events in 1 call.

That's it!

Later tater

All versions of event-dispatcher with dependencies

PHP Build Version
Package Version
Requires php Version >=5.4.0
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