Replace woocommerce_add_order_item_meta hook in Woocommerce 3.4
Updated Since Woocommerce version 3, woocommerce_checkout_create_order_line_item action hook now replace outdated woocommerce_add_order_item_meta hook in a much better way using the new introduced CRUD getters and setters methods: // Save custom data to order item meta data add_action( ‘woocommerce_checkout_create_order_line_item’, ‘tshirt_order_meta_handler’, 20, 4 ); function tshirt_order_meta_handler( $item, $cart_item_key, $values, $order ) { $custom_designer = WC()->session->get( $cart_item_key.’_designer’ ); … Read more