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Example code of websupply/event-dispatcher

Informations about the package event-dispatcher

PSR-14 Event Dispatcher for Neos Flow

Symfony EventDispatcher integrated with auto-discover!

Installation

composer require websupply/event-dispatcher

PSR-14 integration

This package integrates the PSR-14 functionality. But instead of reinventing the wheel, the package implements symfony/event-dispatcher.

How to use it

With the configuration in Configuration/Objects.yaml you can inject/instantiate the Psr\EventDispatcher\EventDispatcherInterface interface

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The Event

A event to dispatch is stripped down to be a plain PHP object and could look like this

The Event Listener

Similar to the Event class, the EventListener is a plain PHP object, but with a important #[EventListener] annotation brought to you by the WebSupply\EventDispatcher\Annotations\EventListener class.

It must implement the __invoke(..) method, with the corresponding event class as argument

This example injects a PSR logger and adds a note about the newly created product

CLI tool for overview

The command ./flow events:list gives you a list of resolved event and listeners.

If you end up having a ton of events and listeners, you can filter the list, to show listeners based on a single event, by adding a --event "<event-class>" arguments

Support and sponsoring

Work on this package is supported by the danish web company WebSupply ApS

All versions of event-dispatcher with dependencies

PHP Build Version
Package Version
Requires neos/flow Version *
psr/event-dispatcher Version *
symfony/event-dispatcher Version ^6.2.5
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