WooCommerce CRUD Classes — a practical guide to WooCommerce CRUD with clear examples you can reuse in real projects.
WooCommerce Plugin Development Series (68/101). Prefer one article? Read the complete WooCommerce plugin development tutorial.
Short description
CRUD classes abstract storage (posts or custom tables) and are required for forward compatibility.
CRUD habit
$order->get_billing_email();
$order->set_customer_note('Thanks');
$order->save();