public function get_lastNumber()
{
$lastnumber = Kso::max('id');
$num = myFungsi::numberComplate($lastnumber + 1, 5);
$date = str_replace('-', '/', date('Y-m-d'));
$number = 'DT-' . $num . '/KSO/' . $date;
return json_encode(array('number' => $number));
}
