This projects follows Symfony2 coding standards, so pull requests must pass phpcs checks. Read more details about Symfony2 coding standards and install the corresponding CodeSniffer definition to run code validation.
There is also a policy for contributing to this project. Pull requests must be explained step by step to make the review process easy in order to accept and merge them. New features must come paired with PHPUnit tests.
If you would like to contribute, please read the Contributing Code in the project documentation. If you are submitting a pull request, please follow the guidelines in the Submitting a Patch section and use the Pull Request Template.