Master task scheduling with Symfony Scheduler

JoliCode - JoliCodeBlog - 06/12
Introduction Nowadays, using a crontab for our recurring tasks is quite common, but not very practical because it's completely disconnected from our application. The Scheduler component is an excellent alternative. It was introduced in 6.3 by Fabien Potencier during his opening keynote
Cet article est aussi disponible en 🇫🇷 Français : Maîtrisez la planification des tâches avec Symfony Scheduler.

Section intitulée introductionIntroduction

Nowadays, using a crontab for our recurring tasks is quite common, but not very practical because it’s completely disconnected from our application. The Scheduler component is an excellent alternative. It was introduced in 6.3 by Fabien Potencier during his opening keynote at SymfonyLive Paris 2023 (french publication). The component is now considered stable since the release of Symfony 6.4. Let’s take a look at how to use it!

Section intitulée installationInstallation

Let’s install the component:

composer require symfony/messenger symfony/scheduler

As all the component’s functionalities are based on Messenger, we need to install it too.

Section intitulée the-first-taskThe first task

Let’s create a first message to schedule:

// src/Message/Foo.php readonly final class Foo {} // src/Handler/FooHandler.php #[AsMessageHandler] readonly final class FooHandler { public function __invoke(Foo $foo): void { sleep(5); } }

In the same way as a Message dispatched in Messenger, here we’re dispatching a Message, which Scheduler wi...
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