Hybrid PHPCS ruleset for OOP WordPress development PHP_CodeSniffer PSR-12 Neutron PHP Ruleset by Automattic Slevomat Coding Standard Features PSR-12 Extended Coding Style as starting point (formatting) All WPCS features through Neutron (except formatting) File permission bits Strict types File, class and method comments Handpicked Slevomat rules Usage composer require --dev szepeviktor/phpcs-psr-12-neutron-hybrid-ruleset ./vendor/bin/phpcs --standard=PSR12NeutronRuleset src/ About the @package tag The origins of the @package tag are in PEAR where packages are called for example Net_Ping You can put your Composer package name there: yoast/phpunit-polyfills Or you can use your WordPress.org plugin slug: wordpress-seo