Woocommerce sold out badge

//* Add sold out badge on archive pages
add_action( 'woocommerce_before_shop_loop_item_title', function() {
    global $product;
    if ( !$product->is_in_stock() ) {
        echo '<span class="soldout">Sold out</span>';
    }
});
//* Add sold out badge on single product pages
add_action( 'woocommerce_before_single_product_summary', function() {
    global $product;
    if ( !$product->is_in_stock() ) {
    echo '<span class="soldout">Sold out</span>';
    }
});