The Youdot Coding Standard are set of PHP_CodeSniffer rules applied to all Youdot projects. Youdot Coding Standard is heavily based on Doctrine Coding Standard.
Install the sniffer
composer req youdot/coding-standard --dev
Copy the configuration
cp vendor/youdot/coding-standard/phpcs.xml.dist phpcs.xml.dist
Then modify the phpcs.xml.dist to adapt your rules and configuration on your need.
Sniff the code
vendor/bin/phpcs
Fix automatically some errors
vendor/bin/phpcbf