Developer Guides

Smart Add-Ons PHPUnit testing without WordPress means every one of the 24 test classes in tests/php/ runs with a plain vendor/bin/phpunit call — no wp-phpunit, no test database,…

Smart Add-Ons Composer PSR-4 autoloading is the reason nothing in the plugin’s includes/ tree has a manual require or include statement pointing at another class file. This is…

This is not the store-owner guide to turning on a file upload field — that’s the secure file upload guide, and it’s a good one for a checklist…

High-Performance Order Storage moves orders out of wp_posts/wp_postmeta into WooCommerce’s own dedicated tables. WooCommerce HPOS plugin developers who only ever touched orders through the official CRUD API don’t…

WooCommerce Store API custom add-on data means getting a shopper’s field selections into the block cart and back out again without touching the classic, non-block cart page at…

A headless WooCommerce store with product add-ons means your frontend is a separate application — Next.js, another React framework, whatever you’re building with — reading data from WordPress…