--- webform_php/webform_php.module	2010-04-08 00:33:51.000000000 -0500
+++ webform_php/webform_php.module	2010-12-12 11:27:42.265424600 -0600
@@ -73,6 +73,7 @@
  * FAPI #submit handler. Execute PHP submit handling.
  */
 function webform_php_client_submit($form, &$form_state) {
+  global $user, $base_url; // for 2.x compatibility
   $node = node_load($form_state['values']['details']['nid']);
 
   if (substr($node->webform['additional_submit'], 0, 2) == '<?') {