- **allowed_warnings** [int, optional] - The warning limit for a successful build (default: 0). -1 disables warnings. Setting allowed_warnings in conjunction with zero_config will override zero_config.
- **suffixes** [array, optional] - An array of file extensions to check (default: 'php')
- **ignore** [array, optional] - An array of files/paths to ignore (default: build_settings > ignore)
- **path** [string, optional] - Directory in which PHPMD should run (default: build root)
- **rules** [array, optional] - Array of rulesets that PHPMD should use when checking your build or a string containing at least one slash, will be treated as path to PHPMD ruleset. See http://phpmd.org/rules/index.html for complete details on the rules. (default: ['codesize', 'unusedcode', 'naming']).
- **zero_config** [bool, optional] - Suppresses build failure on errors and warnings if set to true. (default: false).