WordPress at a glance
action is not described

do_faviconico action-hook . WP 5.4.0

Fires when serving the favicon.ico file.

Usage

add_action( 'do_faviconico', 'action_function_name_6142' );
function action_function_name_6142(){
	// action...
}

Changelog

Since 5.4.0 Introduced.

Where the hook is called

do_favicon()
do_faviconico
wp-includes/functions.php 1668
do_action( 'do_faviconico' );

Where in WP core the hook is used

Usage not found!