public static function get_number_of_day($month, $year)
{
$end_day = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
$day = $end_day[$month - 1];
//index array dari 0 jd hrs -1
if ($month == 2) {
if (MyDate::is_leap_year($year)) {
//cek taun kabisat
$day = 29;
}
}
return $day;
}