+
+ /* If the alias changed, see if the new alias exists */
+ if (strtolower($alias) != strtolower($userdata['nickname'])) {
+ $ret = $this->lookup($userdata['nickname']);
+ if (!empty($ret)) {
+ return $this->set_error(sprintf(_("User \"%s\" already exists"), $userdata['nickname']));
+ }
+ }
+