public static function test()
{
$backup_sizes = array();
$schedules = Schedules::get_instance();
foreach ($schedules->get_schedules() as $schedule) {
$site_size = new Site_Size($schedule->get_type(), $schedule->get_excludes());
if ($site_size->is_site_size_cached()) {
$backup_sizes[$schedule->get_type()] = $site_size->get_formatted_site_size();
}
}
return $backup_sizes;
}