Updated: 09 June 2023
PHP_CodeSniffer
Two scripts: phpcs and phpcbf
https://github.com/squizlabs/PHP_CodeSniffer
A set of rules for Squizlabs PHP_CodeSniffer
https://github.com/WordPress/WordPress-Coding-Standards
PHP Coding Standards Fixer
https://cs.symfony.com/
https://github.com/PHP-CS-Fixer/PHP-CS-Fixer