Automatically Complete Virtual and Downloadable Orders In WooCommerce

				
					/**
 *
 * @author Christopher Davies, WP Davies
 * @link https://wpdavies.dev/
 * @link https://wpdavies.dev/automatically-complete-virtual-orders-woocommerce/
 * @snippet Automatically complete orders in WooCommerce
 *
 **/
add_action('woocommerce_thankyou', 'wpd_autocomplete_virtual_orders', 10, 1 );
function wpd_autocomplete_virtual_orders( $order_id ) {

    // Check if order ID is correct
    if ( ! is_numeric( $order_id ) ) return false; 

	// Get order
	$order = wc_get_order( $order_id );

	// Don't continue if this isn't an order
	if ( ! is_a( $order, 'WC_Order' ) ) return false;

	// get order items = each product in the order
	$items = $order->get_items();

	// Default to virtual
	$only_virtual = true;

	// Loop through order items
	foreach ( $items as $item ) {

		// Only check product line items
		if ( ! is_a( $item, 'WC_Order_Item_Product') ) continue;

		// Check if this is a variation product
		$variation_id = $item->get_variation_id();

		// Get appropriate product object
        $product = ( is_numeric($variation_id) && $variation_id > 0 ) ? wc_get_product( $variation_id ) : wc_get_roduct( $item->get_product_id() );

		// SMake sure we've got a product object
		if ( ! is_a( $product, 'WC_Product' ) ) continue;

		// Is virtual
		$is_virtual = $product->is_virtual();

		// Is Downloadable
		$is_downloadable = $product->is_downloadable();

		// Check if this product is not virtual or downloadable
		if ( ! ( $is_virtual || $is_downloadable )  ) $only_virtual = false;

	}

	// Update Status
	if ( $only_virtual ) $order->update_status( 'completed' );

}