-
-$cl_id = (int)$request->getParameter('id');
-$invoice = ttInvoiceHelper::getInvoice($cl_id);
-// Temporary fix for invalid invoice id. TODO: implement properly and review security of other pages,
-// where item id is passed (or posted) as parameter.
+if (!$user->isPluginEnabled('iv')) {
+ header('Location: feature_disabled.php');
+ exit();
+}
+$cl_invoice_id = (int)$request->getParameter('id');
+$invoice = ttInvoiceHelper::getInvoice($cl_invoice_id);