Here’s how I think it will change WordPress
Having been in the WordPress Theme industry since 2009, I think I have a rare perspective on how it’s been shaping up these last five years.
Here’s a quick one for you. This is how to get the URL only of the post thumbnail in WordPress
$thumb = wp_get_attachment_image_src( get_post_thumbnail_id($post->ID), $size);
$url = $thumb['0'];