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There are several ways to help out:

  • Create an issue on GitHub if you have found a bug or have an idea for a feature
  • Write test cases for open bug issues
  • Write patches for open bug/feature issues

Pull Requests

  • Meaningful modifications, for typos or superfluous changes open an issue
  • All features should be covered by tests if possible
  • All tests and coding standard checks should pass
composer validate --strict
vendor/bin/php-cs-fixer fix --config ./ci/php-cs-fixer.php
vendor/bin/phpstan analyse -c ci/phpstan-phpat.neon
vendor/bin/psalm -c ci/psalm.xml
vendor/bin/phpunit tests/unit/


The documentation is written in Markdown and is located in the docs folder.

The docs page is built with MkDocs. To build the documentation locally, run:

docker run -p 8000:8000 --rm -v$(pwd):/docs squidfunk/mkdocs-material:9
When the container is running, you can access the documentation at http://localhost:8000. When the pull request is merged, the documentation will be automatically deployed to

Slack channel

Feel free to join the channel #phpat on SymfonyDevs' workspace if you want to discuss something or need some help.

Code of conduct

This project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.