<?php

use Symfony\Component\EventDispatcher\EventDispatcher;
use Symfony\Component\EventDispatcher\GenericEvent as Event;

// all event listeners
$eventListener1 = function (Event $event) {
    echo 'Call me' . PHP_EOL;
};

$eventListener2 = function (Event $event) {
    echo 'Call me too' . PHP_EOL;
};

$eventListener3 = function (Event $event) {
    echo 'Call me three' . PHP_EOL;
};

// add listeners to EventDispatcher
$dispatcher = new EventDispatcher();
$dispatcher->addListener('callme', $eventListener1);
$dispatcher->addListener('callmetoo', $eventListener2);
$dispatcher->addListener('callme', $eventListener3);

// we only want $eventListener1 and $eventListener3
$dispatcher->dispatch(new Event(), 'callme');

Call me
Call me three

• Processing your own Symfony bundle configuration
• Dump an array to Yaml
• Simple generation of route paths with Symfony Routing component

PHP 8.3, Laminas MVC 3.2, Symfony 5.2, Laravel 8.28, PHPUnit 9.5, Doctrine ORM 2.8