Save engraving meta to order

Save engraving meta to order

add_action( 'woocommerce_checkout_create_order', function ( $order, $data ) {
	/**
	 * @var $order WC_Order;
	 */

	$have_engraving = null;
	foreach ( WC()->cart->get_cart_contents() as $cart_item_key => $cart_item ) {

		if ( ! isset( $cart_item['wapf'] ) ) {
			continue;
		}
		foreach ( $cart_item['wapf'] as $addon ) {
			if ( isset( $addon['label'] ) && ! empty( $addon['label'] ) && false !== strpos( $addon['label'], 'Custom Engraving' ) ) {

				if ( ! empty( $addon['values'] ) ) {
					$order->add_meta_data( 'funnelkit_engraving', 'yes' );

					return;
				}
				break;
			}
		}

	}
	$order->add_meta_data( 'funnelkit_engraving', 'no' );
}, 10, 2 );