getCustomParamsProvider(); $lang = $provider->getParameter('lang', 'en'); $mode = $provider->getParameter('mode', null); // Adding - if necessary - CORS headers $origin = isset($_SERVER['HTTP_ORIGIN']) ? $_SERVER['HTTP_ORIGIN'] : ""; $res = new com_wiris_system_service_HttpResponse(); $pluginBuilder->addCorsHeaders($res, $origin); $cas = $pluginBuilder->newCas(); echo $cas->cas($mode, $lang);