private function get_favicon_url($url) { $favicon = new favicon($url, 0); $favicon_url = get_option('favicon-' . $favicon->get_site_url()); if ($favicon_url == null) { if ($favicon->is_ico_exists()) { $favicon_url = $favicon->get_ico_url(); update_option('favicon-' . $favicon->get_site_url(), $favicon_url); } } return $favicon_url; }