Minor - fixing PHP warnings.

main/inc/ajax/work.ajax.php

@@ -5,16 +5,17 @@
  */
 
 require_once '../global.inc.php';
-
 require_once api_get_path(SYS_CODE_PATH).'work/work.lib.php';
 
 $action = isset($_REQUEST['a']) ? $_REQUEST['a'] : null;
-
+$isAllowedToEdit = api_is_allowed_to_edit();
-$is_allowed_to_edit = api_is_allowed_to_edit();
 
 switch ($action) {
     case 'delete_work':
-        if ($is_allowed_to_edit) {
+        if ($isAllowedToEdit) {
+            if (empty($_REQUEST['id'])) {
+                return false;
+            }
             $workList = explode(',', $_REQUEST['id']);
             foreach ($workList as $workId) {
                 deleteDirWork($workId);
@@ -25,4 +26,4 @@ switch ($action) {
         echo '';
         break;
 }
-exit;
+exit;