Use: addGroup() and removeGroup() should return boolean

[lhc/web/wiklou.git] / includes / specials / SpecialUserrights.php

diff --git a/includes/specials/SpecialUserrights.php b/includes/specials/SpecialUserrights.php
index 36a31bd..3bf75a0 100644 (file)
--- a/includes/specials/SpecialUserrights.php
+++ b/includes/specials/SpecialUserrights.php
@@ -244,18 +244,22 @@ class UserrightsPage extends SpecialPage {
                $oldGroups = $user->getGroups();
                $newGroups = $oldGroups;
 
-               // remove then add groups
+               // Remove then add groups
                if ( $remove ) {
-                       $newGroups = array_diff( $newGroups, $remove );
-                       foreach ( $remove as $group ) {
-                               $user->removeGroup( $group );
+                       foreach ( $remove as $index => $group ) {
+                               if ( !$user->removeGroup( $group ) ) {
+                                       unset($remove[$index]);
+                               }
                        }
+                       $newGroups = array_diff( $newGroups, $remove );
                }
                if ( $add ) {
-                       $newGroups = array_merge( $newGroups, $add );
-                       foreach ( $add as $group ) {
-                               $user->addGroup( $group );
+                       foreach ( $add as $index => $group ) {
+                               if ( !$user->addGroup( $group ) ) {
+                                       unset($add[$index]);
+                               }
                        }
+                       $newGroups = array_merge( $newGroups, $add );
                }
                $newGroups = array_unique( $newGroups );