Contributing

First of all thank you for contributing!

Make your contributions through Pull Requests

Find here a few rules to follow in order to keep the code clean and easy to review and merge:

Follow PSR-12 coding standard
Unit test everything and run the test suite
Try not to bring code coverage down
Keep documentation updated
Just one pull request per feature at a time
Check that GitHub Actions build passed

Makefile targets are provided to help you keep code quality and run the test suite:

make lint will run PHP linting, PHP Code Sniffer and PHP-CS-Fixer for coding style guidelines check
make fix will run PHP-CS-Fixer trying to fix coding styles
make qa will run PHPCPD for copy/paste detection, PHPMD and PHPStan for static analysis
make test will run PHPUnit for unit tests and Infection for mutation tests