Piwik\API\Request::getRequestParametersGET PHP Method

    public static function getRequestParametersGET()
    {
        if (empty($_SERVER['QUERY_STRING'])) {
            return array();
        }
        $GET = UrlHelper::getArrayFromQueryString($_SERVER['QUERY_STRING']);
        return $GET;
    }

 /**
  * Returns the segment query parameter from the original request, without modifications.
  *
  * @return array|bool
  */
 public static function getRawSegmentFromRequest()
 {
     // we need the URL encoded segment parameter, we fetch it from _SERVER['QUERY_STRING'] instead of default URL decoded _GET
     $segmentRaw = false;
     $segment = Common::getRequestVar('segment', '', 'string');
     if (!empty($segment)) {
         $request = Request::getRequestParametersGET();
         if (!empty($request['segment'])) {
             $segmentRaw = $request['segment'];
         }
     }
     return $segmentRaw;
 }