README

Prints the Open Graph product tags on single WooCommerce product pages:

<meta property="product:price:amount" content="145.00" />
<meta property="product:price:currency" content="USD" />
<meta property="product:availability" content="instock" />

WordPress and WooCommerce core print none of these (WooCommerce prints JSON-LD only), and some SEO plugins set og:type=product without them — The SEO Framework, for one. Google Merchant Center and shopping crawlers read these tags, so a store that lacks them has one fewer place to agree with its own price.

When to use it

On a store that prints no product:price:* tags today. If your SEO plugin already prints them, leave this deactivated — two sets of the same tags is worse than none. View the page source of a product page and search for product:price:amount to check.

What it prints

Tag	Value
`product:price:amount`	The price a shopper is shown, so it follows the store's tax-display setting. Dot decimal. A variable product prints its lowest price.
`product:price:currency`	The store currency, as an ISO code.
`product:availability`	WooCommerce's own stock status: `instock`, `outofstock` or `onbackorder`.

Filter

add_filter('woo_og_product_tags', function (array $tags, WC_Product $product): array {
    $tags['product:retailer_item_id'] = $product->get_sku();

    return $tags;
}, 10, 2);

An empty value is skipped, so unsetting a tag by returning '' for it works too.

Requirements

WordPress 6.5+, PHP 8.1+, WooCommerce (declared with Requires Plugins).

Development

composer install     # WordPress + WooCommerce stubs for the IDE, and Laravel Pint
vendor/bin/pint      # format

The stubs only quiet the editor (Undefined function 'wc_format_decimal'); nothing from vendor/ is loaded at runtime. .distignore keeps it out of release archives.

Test it on a local Bedrock site with wp-ops:

SITE_ROOT=~/code/<site>/web/app wp-ops rsync-package-to-site plugin woo-og-product-tags ~/code/woo-og-product-tags

License

MIT

imagewize / woo-og-product-tags

Package info

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