get_avatar_url filter-hook . WP 4.2.0

Filters the avatar URL.

Usage

add_filter( 'get_avatar_url', 'filter_function_name_4475', 10, 3 );
function filter_function_name_4475( $url, $id_or_email, $args ){
	// filter...

	return $url;
}

$url(string)

The URL of the avatar.

$id_or_email(mixed)

The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash, user email, WP_User object, WP_Post object, or WP_Comment object.

$args(array)

Arguments passed to get_avatar_data(), after processing.

Where the hook is called

$args['url'] = apply_filters( 'get_avatar_url', $url, $id_or_email, $args );

Where the hook is used (in WP core)