add_filter( 'woocommerce_coupon_is_valid_for_product', function ( $valid, $product, $coupon, $values ) {
    if ( 52502 !== $coupon->get_id() ) {
        return $valid;
    }

    $product_id = $product->get_parent_id() ?: $product->get_id();

    if ( 4159 === $product_id ) {
        return true;
    }

    return $valid;
}, 20, 4 );
<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="//www.goriffee.com/main-sitemap.xsl"?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
	<sitemap>
		<loc>https://www.goriffee.com/post-sitemap.xml</loc>
		<lastmod>2026-08-03T12:35:40+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://www.goriffee.com/page-sitemap.xml</loc>
		<lastmod>2026-08-06T21:59:15+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://www.goriffee.com/product-sitemap.xml</loc>
		<lastmod>2026-09-11T13:08:10+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://www.goriffee.com/category-sitemap.xml</loc>
		<lastmod>2026-08-03T12:35:40+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://www.goriffee.com/product_cat-sitemap.xml</loc>
		<lastmod>2026-09-11T13:08:10+00:00</lastmod>
	</sitemap>
</sitemapindex>
<!-- XML Sitemap generated by Rank Math SEO Plugin (c) Rank Math - rankmath.com -->