Today, we are going to learn how to add product images in WooCommerce programmatically. This is a beginner guide, so feel free to use the code on your own websites and modify it as you like. If you plan on executing this code on a live website, we strongly suggest speaking with a professional developer. To add product image in WooCommerce programmatically, copy and post the following code:
update_post_meta( $productId, '_thumbnail_id', '7' );
If everything goes right, a new product should appear on the product listing page in the WooCommerce dashboard.
That’s the end of this tutorial; stay tuned for more WordPress and WooCommerce tutorials like this one.