Ticket #8446: 8446_comment.patch

wp-includes/comment-template.php

@@ -294 +294 @@
         if ( $comment->user_id > 0 && $user = get_userdata($comment->user_id) ) {
                 // For all registered users, 'byuser'
                 $classes[] = 'byuser';
-                $classes[] = 'comment-author-' . $user->user_id;
+                $classes[] = 'comment-author-' . $comment->user_id;
                 // For comment authors who are the author of the post
                 if ( $post = get_post($post_id) ) {
                         if ( $comment->user_id === $post->post_author )