Backend\Core\Engine\Base\Config::setModule PHP Метод

    public function setModule($module)
    {
        // does this module exist?
        $modules = BackendModel::getModulesOnFilesystem();
        if (!in_array($module, $modules)) {
            // set correct headers
            header('HTTP/1.1 403 Forbidden');
            // throw exception
            throw new BackendException('Module not allowed.');
        }
        // set property
        $this->module = $module;
    }