Adding Custom Registration Fields
Collect extra customer data during account registration.
Collect extra customer data during account registration.
Persist custom product/checkout/user fields with sanitization and capability checks.
Show custom product meta on the single product page and in emails/orders when needed.
Create, read, update, and delete products programmatically with WooCommerce CRUD APIs.
Work with simple products — the foundation of most catalogs.
Handle attributes, variations, and variation prices/stock.
Configure virtual/downloadable products and protect download permissions.
Add custom fields to the product data panel and save them securely.
Modify cart calculations, item display, and cart page UI via cart hooks.