if (!empty($a->argv[1])) {
$user = DBA::selectFirst('user', ['uid'], ['nickname' => $a->argv[1]]);
if (!DBA::isResult($user)) {
if (!empty($a->argv[1])) {
$user = DBA::selectFirst('user', ['uid'], ['nickname' => $a->argv[1]]);
if (!DBA::isResult($user)) {