// Register Shipped Status function register_shipped_order_status() {register_post_status('wc-shipped', array( 'label' => 'Shipped', 'public' => true, 'show_in_admin_status_list' => true, 'show_in_admin_all_list' => true, 'exclude_from_search' => false, 'label_count' => _n_noop( 'Shipped (%s)', 'Shipped (%s)' ) ));} add_action('init', 'register_shipped_order_status');// Add Shipped to WooCommerce Order Status List function add_shipped_to_order_statuses($order_statuses) {$new_order_statuses = array();foreach ($order_statuses as $key => $status) {$new_order_statuses[$key] = $status;if ('wc-processing' === $key) { $new_order_statuses['wc-shipped'] = 'Shipped'; } }return $new_order_statuses; }add_filter('wc_order_statuses', 'add_shipped_to_order_statuses');