codeclimate-phpmd is a Code Climate Engine that wraps the PHP Mess Detector (PHPMD) static analysis tool.

1. If you haven't already, install the Code Climate CLI.
2. Run codeclimate engines:enable phpmd. This command both installs the engine and enables it in your .codeclimate.yml file.
3. You're ready to analyze! Browse into your project's folder and run codeclimate analyze.

Format the values for these config options per the PHPMD documentation.

• file_extensions - This is where you can configure the file extensions for the files that you want PHPMD to analyze.
• rulesets - This is the list of rulesets that you want PHPMD to use while analyzing your files.

exclude_paths:
 - "/examples/**/*"
engines:
  phpmd:
    enabled: true
    config:
      file_extensions: "php"
      rulesets: "unusedcode,codesize,naming,optional_relative_path_to_custom_ruleset.xml"
ratings:
  paths:
  - "**.php"

For help with PHPMD, check out their documentation.

If you're running into a Code Climate issue, first look over this project's GitHub Issues, as your question may have already been covered. If not, go ahead and open a support ticket with us.