/**

 * REST client class

 */

class webservice_rest_client {

    /**

     * Execute client WS request with token authentication

     * @param string $entrypointurl

     * @param string $token

     * @param string $functionname

     * @param array $params

     * @return mixed

     */

    public function call($entrypointurl, $token, $functionname, $params) {

        global $DB, $CFG;

        //traditional Zend xmlrpc client call (integrating the token into the URL)

        $serverurl = $entrypointurl."?wstoken=".$token;

        $result = download_file_content($serverurl.'&wsfunction='.$functionname, null, $params);

        $result = convert_xml_to_object($result);

        return $result;

    }

    /**

     * Convert the REST XML response into php object/array/primary type

     * @param string $xml

     */

    public function convert_xml_to_object($xml) {

        //TO DO

    }

}