Uninitialized variable

diff --git a/lib/user.php b/lib/user.php
index 3029ec1acc11b1bfc0737843b5e135e86c5ab158..2b4e367ab70c0f76e2d9a5c3713ad2f1215257d4 100644 (file)
--- a/lib/user.php
+++ b/lib/user.php
@@ -345,6 +345,7 @@ class OC_User {
         * @return boolean
         */
        public static function userExists($uid){
+               static $user_exists_checked = null;
                if (!is_null($user_exists_checked)) {
                        return $user_exists_checked;
                }