Definition
The cal_days_in_month() function returns the number of days in a month for a specified year and calendar.
Syntax
cal_days_in_month(calendar, month, year);
Parameters
| Parameter | Description |
|---|---|
calendar |
Required. Specifies the calendar to use. |
month |
Required. Specifies the month in the selected calendar. |
year |
Required. Specifies the year in the selected calendar. |
Example
<?php
$days = cal_days_in_month(CAL_GREGORIAN, 11, 2021);
echo "November 2021 has $days days.";