Code Quality Pack A collection of libraries that in some way enhances your code quality. $ composer require --dev setono/code-quality-pack Packages ergebnis/composer-normalize Normalizes your composer.json. This has a few advantages - easier diffs being one of them. sylius-labs/coding-standard Sylius' coding standard. Very thorough. vimeo/psalm A static analysis tool much like PHPStan, but a lot of people would argue it's better.