Piwik\FrontController::prepareDispatch PHP Метод

    protected function prepareDispatch($module, $action, $parameters)
    {
        if (is_null($module)) {
            $module = Common::getRequestVar('module', self::DEFAULT_MODULE, 'string');
        }
        if (is_null($action)) {
            $action = Common::getRequestVar('action', false);
        }
        if (SettingsPiwik::isPiwikInstalled() && ($module !== 'API' || $action && $action !== 'index')) {
            Session::start();
            $this->closeSessionEarlyForFasterUI();
        }
        if (is_null($parameters)) {
            $parameters = array();
        }
        if (!ctype_alnum($module)) {
            throw new Exception("Invalid module name '{$module}'");
        }
        list($module, $action) = Request::getRenamedModuleAndAction($module, $action);
        if (!\Piwik\Plugin\Manager::getInstance()->isPluginActivated($module)) {
            throw new PluginDeactivatedException($module);
        }
        return array($module, $action, $parameters);
    }