• PHP Copy/Paste Detector (PHCPD) ---> not work with PHP 7.2 and symfony/console 5.0 (need PHP 7.3)
• PhpMnd (detect magic numbers) ---> impossible to install at the moment because conflict between dependencies
• PHP Mess Detector (PHPMD) ---> #24 (closed)
• SensioLabs Security Checker ---> #25 (closed)
• PHP Compatibility (adds rules to phpcs) ----> need #27 (closed) ---> #28 (closed)

see:

• Comptoir-srv > Composer_Require_Dependency.md
• Comptoir-srv > grumphp.yml