You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
PHP_CodeSniffer rules (sniffs) to enforce WordPress coding conventions
WordPressPHP Compatibility check for PHP_CodeSniffer
PHPCompatibilitySlevomat Coding Standard for PHP_CodeSniffer provides many useful sniffs
slevomatphpcs-security-audit is a set of PHP_CodeSniffer rules that finds vulnerabilities and weaknesses related to security in PHP code
FloeDesignTechnologiesPHP_CodeSniffer ruleset to enforce WordPress VIP coding standards.
Automatticcs2pr - Annotate a GitHub Pull Request based on a Checkstyle XML-report within your GitHub Action
staabmFind undefined and unused variables with the PHP Codesniffer static analysis tool.
sirbrillig