MDL-13161 - auth/db - suppress php warning when there are no users using db auth

2008-01-27 20:05:29 +00:00
parent 66d4805a81
commit 357eefcdbe
1 changed files with 5 additions and 3 deletions
@@ -334,10 +334,12 @@ class auth_plugin_db extends auth_plugin_base {

        // simplify down to usernames
        $usernames = array();
-        foreach ($users as $user) {
-            array_push($usernames, $user->username);
+        if (!empty($users)) {
+            foreach ($users as $user) {
+                array_push($usernames, $user->username);
+            }
+            unset($users);
        }
-        unset($users);

        $add_users = array_diff($userlist, $usernames);
        unset($usernames);