protected function parseActionParams($pathInfo)
    {
        if (($pos = strpos($pathInfo, '/')) !== false) {
            $manager = $this->getUrlManager();
            $manager->parsePathInfo((string)substr($pathInfo, $pos + 1));
            $actionID = substr($pathInfo, 0, $pos);
            return $manager->caseSensitive ? $actionID : strtolower($actionID);
        } else {
            return $pathInfo;
        }
    }