generate a random number for this example $orderReference = rand(1, 15000000000); $req = new ipl_update_order_request($_SESSION['api-url-base']); $req->set_default_params($_SESSION['mid'], $_SESSION['pid'], $_SESSION['security-key']); $req->set_update_params($tx_id, $refUpdated); $req->add_id_update("article001", "article001_mod"); $req->add_id_update("article002", "article002_mod"); $internalError = $req->send(); if ($internalError) { echo "Internal error occured!
"; echo "Error code: " . $internalError['error_code'] . "
"; echo "Error message: " . $internalError['error_message']; } else { if (!$req->has_error()) { echo "Update order successful!
"; echo ""; } else { echo "Error code: " . $req->get_error_code() . "
"; echo "Merchant msg: " . utf8_decode($req->get_merchant_error_message()) . "
"; echo "Customer msg: " . utf8_decode($req->get_customer_error_message()) . "
"; } echo "

"; echo "Request XML: " . htmlentities($req->get_request_xml()); echo "

"; echo "Response XML: " . htmlentities($req->get_response_xml()); } ?>