How to change avatar of the comment author using comment ID?
You can use pre_get_avatar filter to manipulate comment avatar html and stop WP from getting a default avatar for the comment. Passing a non-null value will effectively short-circuit get_avatar(), passing the value through the ‘get_avatar’ filter and returning early. E.g. add_filter( ‘pre_get_avatar’, ‘my_filter_pre_get_avatar’, 10, 3 ); function my_filter_pre_get_avatar( $avatar_html, $id_or_email, $args ) { if ( … Read more