Custom Stock Status - Discontinued

funtions.php

<?php
// Step 1: Add custom stock status to WooCommerce product stock statuses
add_filter('woocommerce_product_stock_status_options', 'custom_woocommerce_product_stock_status_options');
function custom_woocommerce_product_stock_status_options($status_options) {
    $status_options['discontinued'] = __('Discontinued', 'woocommerce');
    return $status_options;
}

// Step 2: Save custom stock status for products
add_action('woocommerce_process_product_meta', 'custom_save_product_meta');
function custom_save_product_meta($post_id) {
    $product = wc_get_product($post_id);
    if (isset($_POST['_stock_status']) && $_POST['_stock_status'] === 'discontinued') {
        $product->set_stock_status('discontinued');
    }
}

// Step 3: Display custom stock status on the product page
add_filter('woocommerce_get_availability_text', 'custom_get_availability_text', 10, 2);
function custom_get_availability_text($availability, $product) {
    if ($product->get_stock_status() === 'discontinued') {
        $availability = __('Discontinued', 'woocommerce');
    }
    return $availability;
}

cnvr_o