Tag: Plugin Development

Customize checkout UX: fields, layout hooks, and order notes.

Validate custom checkout inputs before order creation.

Add gateway-specific fields on checkout for card references or UPI IDs.

Build payment gateways that process checkout and update orders safely.

Implement a WC_Payment_Gateway subclass with form fields and process_payment.

Move orders through pending, processing, completed, cancelled, and custom statuses.

Register custom order statuses for specialized workflows.

Work with customer objects linked to WordPress users.

Read/update customer addresses and meta safely.

Manipulate the cart with WC()->cart for items, totals, and notices.