WooCommerce products

The WooCommerce REST API for a headless storefront In a headless shop, WordPress and WooCommerce keep the products, orders and payments, and a separate frontend (Next.js, Nuxt, Astro) renders the pages. WooCommerce has two APIs for this, and the most common mistake is using the wrong one: the authenticated REST API wc/v3 is for servers,…

Create WooCommerce variable products and variations with PHP Importing a catalogue from an old shop system often means hundreds of products with size and colour combinations. The WooCommerce CRUD classes create them in a few dozen lines: a WC_Product_Variable parent with its attributes, and one WC_Product_Variation per combination with price, SKU and stock.

Custom WooCommerce product fields with validation A store needs a value per product that WooCommerce does not have, for example a lead time in days. The field belongs in the product data box, next to price and SKU, and should be saved through the product object rather than with raw update_post_meta(), so it works with…

Faster WooCommerce product archives: lookup tables and cached queries A shop category with a few thousand products, price sorting and attribute filters can take seconds to render. WooCommerce has its own tables to make these queries cheaper, the product meta lookup table and the attributes lookup table, but they help only when they are filled…

Hide WooCommerce products from guests, restrict specific products to wholesale user roles, and redirect unauthorised users away from checkout using WordPress capability checks.

Hook into WooCommerce cart page actions to display a hand-picked or automatically generated upsell product grid below the cart table.

Use the woocommerce_product_tabs filter to add, remove, rename and reorder product page tabs in WooCommerce without a plugin.

Add custom sort options and price range filtering to WooCommerce shop pages using woocommerce_catalog_orderby filter and pre_get_posts.

Get WooCommerce product gallery image IDs and output a custom gallery with thumbnails using get_gallery_image_ids.