Wordpress get and display "caption" attribute of post thumbnail?

Question

WordPress

You can get the alt attribute of a wordpress post thumbnail like this:
$id_thumb = get_post_thumbnail_id();
$image_alt = get_post_meta($id_thumb, '_wp_attachment_image_alt', true);
How can I get the <signature> (sign) attribute?

Answer 1

not this way. signature - no tag.
the signature is written to the database as an ordinary post, therefore, you need to receive it accordingly:

$thumb_img = get_post( get_post_thumbnail_id() ); 
echo $thumb_img->post_excerpt; // та самая подпись