WordPress at a glance
filter is not described

default_avatar_select filter-hook . WP 2.6.0

Filters the HTML output of the default avatar list.


add_filter( 'default_avatar_select', 'filter_function_name_2967' );
function filter_function_name_2967( $avatar_list ){
	// filter...

	return $avatar_list;
HTML markup of the avatar list.

Where the hook is called

In file: /wp-admin/options-discussion.php
wp-admin/options-discussion.php 278
echo apply_filters( 'default_avatar_select', $avatar_list );

Where the hook is used (in WP core)

Does not used.