• PHP 7.4+
• Python 3.8+
• Composer

composer install

This installs WordPress Coding Standards (WPCS) for PHP linting.

The helper functions and WordPress.com adapter are covered by a unittest suite in tests/:

python3 -m unittest discover tests

Bug fixes must include a regression test in tests/.

Lint all PHP files in lib/:

./vendor/bin/phpcs

Auto-fix what can be fixed automatically:

./vendor/bin/phpcbf

The ruleset is defined in .phpcs.xml.dist.

Run both checks:

./vendor/bin/phpcs
python3 -m unittest discover tests

Both must pass before submitting a pull request.