public static function check_project_duedate($project_id)
 {
     $data = get_post_meta($project_id, '_sponsorship', true);
     $days_left = 0;
     if ($data['end']['date']) {
         $now = strtotime(date("Y-m-d"));
         // or your date as well
         $then = strtotime($data['end']['date']);
         $datediff = $then - $now;
         // add 1 additional day so if current day, it is not the last day
         $days_left = floor($datediff / (60 * 60 * 24)) + 1;
         if ($days_left < 0) {
             $days_left = 0;
         }
     }
     if (!$days_left) {
         $days_left = false;
         // cancel all orders
         WC_Sponsorship_Product::cancel_project_orders($project_id);
     } else {
         $days_left = true;
     }
     return $days_left;
 }