add_action('wp_head', function () {
if (!function_exists('is_product') || !is_product()) return;
// Get product ID
$product_id = get_the_ID();
// Get product title
$name = get_the_title($product_id);
// Clean name for JSON
$name = str_replace(array('"', '\\'), array("'", ""), $name);
// Get rating and review count from post meta (replace meta keys if needed)
$rating = get_post_meta($product_id, '_wc_average_rating', true);
$count = get_post_meta($product_id, '_wc_review_count', true);
// Get price and currency
$price = get_post_meta($product_id, '_price', true);
$currency = get_woocommerce_currency(); // returns USD, EUR, etc.
// Get availability
$stock_status = get_post_meta($product_id, '_stock_status', true);
if ($stock_status == 'instock') {
$availability = 'InStock';
} else {
$availability = 'OutOfStock';
}
// Get product image URL
$image_id = get_post_thumbnail_id($product_id);
$image_url = wp_get_attachment_url($image_id);
// Build JSON-LD string
$json_ld = '
{
"@context": "https://schema.org",
"@type": "Product",
"name": "' . $name . '",
"image": "' . $image_url . '",
"aggregateRating": {
"@type": "AggregateRating",
"ratingValue": "' . $rating . '",
"reviewCount": "' . $count . '"
},
"offers": {
"@type": "Offer",
"price": "' . $price . '",
"priceCurrency": "' . $currency . '",
"availability": "http://schema.org/' . $availability . '"
}
}';
echo '';
});
