cal_days_in_month

Return the number of days in a month for a given year and calendar

Syntax

cal_days_in_month(int $calendar, int $month, int $year): int

calendar

Calendar to use for calculation

Number	Constant	Description
0	CAL_GREGORIAN	Gregorian Calendar
1	CAL_JULIAN	Julian Calendar
2	CAL_JEWISH	Jewish Calendar
3	CAL_FRENCH	French Revolutionary Calendar

month

Month in the selected calendar

year

Year in the selected calendar

The length in days of the selected month in the given calendar

<?

$calendar = CAL_GREGORIAN;
$month = 1;
$year = 1;

$return = cal_days_in_month($calendar, $month, $year);

echo $return;

?>

<?

$calendar = CAL_JULIAN;
$month = 1;
$year = 1;

$return = cal_days_in_month($calendar, $month, $year);

echo $return;

?>

<?

$calendar = CAL_JEWISH;
$month = 1;
$year = 1;

$return = cal_days_in_month($calendar, $month, $year);

echo $return;

?>

<?

$calendar = CAL_FRENCH;
$month = 1;
$year = 1;

$return = cal_days_in_month($calendar, $month, $year);

echo $return;

?>