function smarty_modifier_get_pretty_time($string)
{
    $time = CODOF\Time::get_pretty_time($string);
    if (!$time) {
        return _t("just now");
    }
    return $time;
}
<?php

/*
 * @CODOLICENSE
 */
$smarty = \CODOF\Smarty\Single::get_instance();
$db = \DB::getPDO();
CODOF\Util::get_config($db);
$reg_req_admin = \CODOF\Util::get_opt('reg_req_admin');
if (isset($_POST['action']) && CODOF\Access\CSRF::valid($_POST['CSRF_token'])) {
    $action = $_POST['action'];
    if ($action == 'approve') {
        \DB::table(PREFIX . 'codo_users')->whereIn('id', $_POST['ids'])->update(array('user_status' => 1));
        \DB::table(PREFIX . 'codo_user_roles')->whereIn('uid', $_POST['ids'])->update(array('rid' => ROLE_USER));
    } else {
        foreach ($_POST['ids'] as $id) {
            $user = CODOF\User\User::get((int) $id);
            $user->deleteAccount();
        }
    }
}
$qry = "SELECT id,username,mail,created,user_status FROM " . PREFIX . "codo_users WHERE user_status=2 OR user_status=0 AND username<>'anonymous'";
$obj = $db->query($qry);
$res = $obj->fetchAll();
$users = array();
foreach ($res as $user) {
    $users[] = array('id' => $user['id'], 'username' => $user['username'], 'mail' => $user['mail'], 'created' => CODOF\Time::get_pretty_time($user['created']), 'confirmed' => (int) $user['user_status'] == 2 ? 'yes' : 'no');
}
$smarty->assign('reg_req_admin', $reg_req_admin);
$smarty->assign('users', $users);
$content = $smarty->fetch('moderation/approve_users.tpl');