php man page for cal_days_in_month

CAL_DAYS_IN_MONTH(3)							 1						      CAL_DAYS_IN_MONTH(3)

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

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

DESCRIPTION
	This function will return the number of days in the $month of $year for the specified $calendar.

PARAMETERS
	      o $calendar
		- Calendar to use for calculation

	      o $month
		- Month in the selected calendar

	      o $year
		- Year in the selected calendar

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

EXAMPLES
       Example #1

	      cal_days_in_month(3) example

	      <?php
	      $number = cal_days_in_month(CAL_GREGORIAN, 8, 2003); // 31
	      echo "There were {$number} days in August 2003";
	      ?>

PHP Documentation Group 												      CAL_DAYS_IN_MONTH(3)