sequential-queues.php

<?php

// The controller knows too much
Queue::push('Listeners\\UserCreator', [$data])->then(['ConfirmationEmailSender', 'AdminNewUserAlerter', 'MonthlySignupCountUpdater', 'UserTrialActivator']);

// Instead the createUser task should know what to call or better yet, call an event on the event stack before deleting the job
Queue::push('Listeners\\UserCreator', [$attributes]);

class UserCreator {
  public function fire($job, $data) {
    $user = $this->user->create($data);
    Event::fire('queue.user.created');
    $job->delete();
  }
}

// Then you can dispatch sequential queue jobs, or run them in the same worker process if you want