public function stringToParamsArray($sValue)
    {
        // url building
        // replace possible ampersands, explode, and filter out empty values
        $sValue = str_replace("&amp;", "&", $sValue);
        $aNavParams = explode("&", $sValue);
        $aNavParams = array_filter($aNavParams);
        $aParams = [];
        foreach ($aNavParams as $sValue) {
            $exp = explode("=", $sValue);
            $aParams[$exp[0]] = $exp[1];
        }

        return $aParams;
    }