if (($title == '') && (isValidUserId($userid))) {
// Set userid as title
$title = $userid;
- } elseif ($userid == 0) {
+ } elseif (!isValidUserId($userid)) {
// User id zero is invalid
- return '<strong>' . $userid . '</strong>';
+ return '<strong>' . makeNullToZero($userid) . '</strong>';
}
if (($title == '0') && ($what == 'list_refs')) {