debug clientarea login

zimbraSingle.inc

@@ -31,7 +31,7 @@ function zimbraSingleGetAccess()
         __FUNCTION__,
         $params,
         "debug: clientarea login",
-        $whmcs
+        var_dump(get_defined_vars())
     );
 
     $serverGroupID = $whmcs->get_req_var('servergroup');