date_default_timezone_set('Asia/Jakarta');
//Simpenn Tanggal Daftar pake $date
$date = date('Y-m-d');
//Simpenn Tanggal Expired Pake $newdate
$newdate = strtotime ( '+10 day' , strtotime ( $date ) ) ;
$newdate = date ( 'Y-m-d' , $newdate );