src/Settings/Rules/RuleValidator.php
protected function userDefinedExists($method)
    {
        $userDefined = NameResolver::makeRulesFileName();

        return class_exists($userDefined) &&
            method_exists($userDefined, $method);
    }
protected function userDefinedExists($method)
    {
        $userDefined = NameResolver::makeRulesFileName();

        return class_exists($userDefined) &&
            method_exists($userDefined, $method);
    }
protected function userDefinedExists ( $ method ) { $ userDefined = NameResolver :: makeRulesFileName ( ) ; return class_exists ( $ userDefined ) && method_exists ( $ userDefined , $ method ) ; }
User defined rule method exists.

@param string $method

@return bool
User defined rule method exists .