php curl with login

curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);} if($fields){ $fields_string = http_build_query($fields); curl_setopt($curl, CURLOPT_POST, true); curl_setopt($curl, CURLOPT_BINARYTRANSFER, true); curl_setopt($curl, CURLOPT_POSTFIELDS, $fields_string);} $response = curl_exec($curl); $header_size = curl_getinfo($curl, CURLINFO_HEADER_SIZE); cara login sisdmk