How can I filter the user avatar displayed in comments? – get_avatar_url filter works everywhere but not in comments

By default, wp_list_comments() uses the get_avatar() function to display user avatars, which in turn retrieves the avatar URL from Gravatar. However, get_avatar() also applies the get_avatar_url filter before returning the URL, so you can modify the avatar URL for the comments by using that filter. Here’s an example of how you can modify the avatar … Read more

How to load locally saved author photos based on author ID

One option is to use the pre_get_avatar filter to return custom avatar HTML, which will short-circuit get_avatar() preventing it from reaching out to Gravatar for the image. For example like this, add_filter(‘pre_get_avatar’, ‘wpse_410434_author_img_html’, 10, 3); function wpse_410434_author_img_html( $avatar, $id_or_email, $args ) { if ( $avatar || ! is_numeric( $id_or_email ) ) { return $avatar; } … Read more