You are browsing the Symfony 4.0 documentation, which changes significantly from Symfony 3.x. If your app doesn't use Symfony 4.0 yet, browse the Symfony 3.4 documentation.
Contributing to Symfony
This part of the documentation tells you everything you want to know about how you can be involved with the Symfony project; from contributing documentation to fix bugs.
- Code of Conduct
This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.