Query comments with non-empty ‘author_url’ value on Admin Comments Screen
We can set the author_url argument of WP_Comment_Query as null (empty string will not work) to search for comments that don’t have an author url. Currently (ver 4.8.1) the has_author_url isn’t supported. Using a sub-query to exclude those comments, with no author_url, using comment__not_in, should work, but wouldn’t probably scale well. Setting fields as ids … Read more