php-background-job-gist6.php

<?php
use App\Message\SendForgotPassword;
use App\Message\SendImportantEmail;

$router = new SimpleRouter();

$router->add('SendForgotPasswordEmail', function(SendForgotPassword $message) {
  // $mailer = ....
  // $mailer->sendMail($message->getUser()->getEmail(), 'subject', 'contents');  
});

$router->add('SendImportantEmail', function(SendImportantEmail $message) {
  // Send important here
});

// Create a Consumer and start the loop.
$consumer = new Consumer($router, $eventDispatcher);