WooCommerce Plugin Interview Questions — a practical guide to WooCommerce interview questions with clear examples you can reuse in real projects.
WooCommerce Plugin Development Series (100/101). Prefer one article? Read the complete WooCommerce plugin development tutorial.
Short description
Be ready to explain cart fees, order status transitions, gateway process_payment, and Blocks vs classic checkout.
Sample Q&A
Q: Why CRUD over post meta for orders?
A: HPOS/storage abstraction + forward compatibility.
Q: Action vs filter?
A: Side effects vs modify values.
Q: Where add cart fee?
A: woocommerce_cart_calculate_fees.
Q: HPOS risk?
A: Plugins querying shop_order posts directly can break.