WooCommerce Extension Architecture

Reference for WooCommerce extension setup, plugin headers, compatibility declarations, and architecture fundamentals.

For specific topics see the related skills:

• woocommerce-payments — Payment gateways, block checkout integration
• woocommerce-data — Order/product/customer CRUD, HPOS, Store API, REST API
• woocommerce-hooks — Hooks, settings pages, custom emails, WP-CLI, testing

1. Check WooCommerce Is Active

Always gate your plugin on WooCommerce availability:

add_action( 'plugins_loaded', 'mce_init' );