woocommerce_template_loop_product_thumbnail is pluggable so you can override it with your own code. Any time you see a function anywhere in a WordPress setting that looks like this: if ( ! function_exists( ‘woocommerce_template_loop_product_thumbnail’ ) ) { /** * Get the product thumbnail for the loop. * * @access public * @subpackage Loop * @return void */ … Read more
Check the permissions on the file as it sits on the server. Try loading the image URL into a browser and see what error displays. Sometimes I can duplicate the image and reupload and it works. Just some things to try.
You can set an image as post thumbnail when it is in your media library. To add an image in your media library you need to upload it to your server. WordPress already has a function for putting images in your media library, you only need a script that uploads your file. Usage: Generate_Featured_Image( ‘../wp-content/my_image.jpg’, … Read more
Replicate featured image functionality
Why am I getting errors in product.thumbnails.php? [closed]
create new post using rest API and set featured Image from an external link
How to delete posts that does not have a thumbnail?
You can use the code on the site you linked to with post thumbnails, if you change one line. Instead of <img src=”https://wordpress.stackexchange.com/questions/26484/<?php echo get_post_meta($post->ID,”thumb’, true) ?>” alt=”<?php the_title(); ?>” /> Use <?php the_post_thumbnail(); ?> See the Codex for more information.
Be sure you have post thumbnails implemented in the theme: http://codex.wordpress.org/Post_Thumbnails Another way to more easily use thumbnails is via WordPress › Get the Image « WordPress Plugins
This is not a WordPress related, Anyway here is tip – You can not call a <?php .. ?> function into your style.css file. Instead set the background inline just as shown in this example, and apple styling. <div style=”background: url(‘<?php wp_get_attachment_image_src(); ?>’);”> // blah blah … </div>