// Checks whether $login is a valid hruid or not.
$res = XDB::query('SELECT uid
FROM accounts
- WHERE hruid' . XDB::formatWildcards(XDB::WILDCARD_CONTAINS, $login));
- if ($res->numRows() == 1) {
+ WHERE hruid = {?}', $login);
+ if ($res->numRows()) {
return $res->fetchOneCell();
}