WooCommerce products

Use WC cart add_to_cart to add simple and variable products to the cart via PHP for landing pages and promotional flows.

wc_get_product(): read and change WooCommerce product data A WooCommerce product is a post, but its data (prices, stock, SKU, dimensions, gallery) is managed by WooCommerce’s product classes. Since WooCommerce 3.0 the right way to read and change it is the product object returned by wc_get_product(), with getters like get_price() and setters plus save(). Reading post…

Term meta: custom fields for categories, tags and custom taxonomies Since WordPress 4.4 terms have their own meta table, and add_term_meta(), get_term_meta(), update_term_meta() and delete_term_meta() work like their post counterparts. Before that, plugins kept term data in options with keys like category_12_image. Term meta is the place for data that belongs to the term itself:…

How to add a new stock status to WooCommerce WooCommerce is a flexible tool that lets you build a shop for every taste. Besides the default stock statuses (In stock, Out of stock, On backorder), it allows adding new ones. Here we add “Coming Soon”. This method works for simple products.

Useful WooCommerce functions for themes When we start a project on WooCommerce, we use many of the same functions again and again. The purpose of this article is to gather the useful ones in one place. All of them go into the theme’s functions.php.

Allow only one copy of a product in the WooCommerce cart Sometimes a customer must be able to add a product to the cart only once, and a second click on its “Add to cart” button must remove it from the cart, like a toggle. For example, an option or a service that cannot be…

WooCommerce: add to cart without page reload using AJAX WooCommerce can add products to the cart without reloading the page, but a custom cart link in the header doesn’t know about it: the item count and total stay the same until the next page load. The woocommerce_add_to_cart_fragments filter fixes that by refreshing your cart markup…

WooCommerce uses single.php instead of single-product.php: how to fix it You have a single-product.php template in your theme, but WooCommerce ignores it and renders product pages with the theme’s generic single.php. The reason is a missing declaration of WooCommerce support in the theme.

WooCommerce: add a custom field to product variations Each variation of a variable product (a size, a colour) has its own price, stock and SKU. Sometimes it also needs its own text: a “Best value” badge on the large size, a delivery note for one colour. WooCommerce has hooks to add such a field to…