Jetpack::disconnect PHP Method

    public static function disconnect($update_activated_state = true)
    {
        wp_clear_scheduled_hook('jetpack_clean_nonces');
        Jetpack::clean_nonces(true);
        // If the site is in an IDC because sync is not allowed,
        // let's make sure to not disconnect the production site.
        if (!self::validate_sync_error_idc_option()) {
            Jetpack::load_xml_rpc_client();
            $xml = new Jetpack_IXR_Client();
            $xml->query('jetpack.deregister');
        }
        Jetpack_Options::delete_option(array('register', 'blog_token', 'user_token', 'user_tokens', 'master_user', 'time_diff', 'fallback_no_verify_ssl_certs'));
        Jetpack_IDC::clear_all_idc_options();
        if ($update_activated_state) {
            Jetpack_Options::update_option('activated', 4);
        }
        if ($jetpack_unique_connection = Jetpack_Options::get_option('unique_connection')) {
            // Check then record unique disconnection if site has never been disconnected previously
            if (-1 == $jetpack_unique_connection['disconnected']) {
                $jetpack_unique_connection['disconnected'] = 1;
            } else {
                if (0 == $jetpack_unique_connection['disconnected']) {
                    //track unique disconnect
                    $jetpack = Jetpack::init();
                    $jetpack->stat('connections', 'unique-disconnect');
                    $jetpack->do_stats('server_side');
                }
                // increment number of times disconnected
                $jetpack_unique_connection['disconnected'] += 1;
            }
            Jetpack_Options::update_option('unique_connection', $jetpack_unique_connection);
        }
        // Delete all the sync related data. Since it could be taking up space.
        require_once JETPACK__PLUGIN_DIR . 'sync/class.jetpack-sync-sender.php';
        Jetpack_Sync_Sender::get_instance()->uninstall();
        // Disable the Heartbeat cron
        Jetpack_Heartbeat::init()->deactivate();
    }

 /**
  * Disconnect Jetpack Blogs or Users
  *
  * ## OPTIONS
  *
  * blog: Disconnect the entire blog.
  *
  * user <user_identifier>: Disconnect a specific user from WordPress.com.
  *
  * Please note, the primary account that the blog is connected
  * to WordPress.com with cannot be disconnected without
  * disconnecting the entire blog.
  *
  * ## EXAMPLES
  *
  * wp jetpack disconnect blog
  * wp jetpack disconnect user 13
  * wp jetpack disconnect user username
  * wp jetpack disconnect user [email protected]
  *
  * @synopsis blog|[user <user_id>]
  */
 public function disconnect($args, $assoc_args)
 {
     if (!Jetpack::is_active()) {
         WP_CLI::error(__('You cannot disconnect, without having first connected.', 'jetpack'));
     }
     $action = isset($args[0]) ? $args[0] : 'prompt';
     if (!in_array($action, array('blog', 'user', 'prompt'))) {
         WP_CLI::error(sprintf(__('%s is not a valid command.', 'jetpack'), $action));
     }
     if (in_array($action, array('user'))) {
         if (isset($args[1])) {
             $user_id = $args[1];
             if (ctype_digit($user_id)) {
                 $field = 'id';
                 $user_id = (int) $user_id;
             } elseif (is_email($user_id)) {
                 $field = 'email';
                 $user_id = sanitize_user($user_id, true);
             } else {
                 $field = 'login';
                 $user_id = sanitize_user($user_id, true);
             }
             if (!($user = get_user_by($field, $user_id))) {
                 WP_CLI::error(__('Please specify a valid user.', 'jetpack'));
             }
         } else {
             WP_CLI::error(__('Please specify a user.', 'jetpack'));
         }
     }
     switch ($action) {
         case 'blog':
             Jetpack::log('disconnect');
             Jetpack::disconnect();
             WP_CLI::success(__('Jetpack has been successfully disconnected.', 'jetpack'));
             break;
         case 'user':
             if (Jetpack::unlink_user($user->ID)) {
                 Jetpack::log('unlink', $user->ID);
                 WP_CLI::success(sprintf(__('%s has been successfully disconnected.', 'jetpack'), $action));
             } else {
                 WP_CLI::error(sprintf(__('%s could not be disconnected.  Are you sure they\'re connected currently?', 'jetpack'), "{$user->login} <{$user->email}>"));
             }
             break;
         case 'prompt':
             WP_CLI::error(__('Please specify if you would like to disconnect a blog or user.', 'jetpack'));
             break;
     }
 }