Mere interaction with a custom command xml-stripblanks preprocessing requested, but XMLLINT is not possible "instance_fallback" => true, CURLOPT_ENCODING => "", CURLOPT_USERAGENT => "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:116.0) Gecko/20100101 Firefox/116.0", // For a normal Windows 10 PC running Firefox x64 CURLOPT_IPRESOLVE => CURL_IPRESOLVE_WHATEVER,