cal_days_in_month
PHP function
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(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)
Return the number of days in a month for a given year and calendar
Description
cal_days_in_month(int $calendar, int $month, int $year): int
This function will return the number of days in the month of year for the specified calendar.
Parameters
calendarCalendar to use for calculation
monthMonth in the selected calendar
yearYear in the selected calendar
Return Values
The length in days of the selected month in the given calendar
Examples
cal_days_in_month() example
php
<?php
$number = cal_days_in_month(CAL_GREGORIAN, 8, 2003); // 31
echo "There were {$number} days in August 2003";
?>