Definition: The Cal_days_in_month () function returns the number of days in a given month, based on the calendar, month, and year that you specify. It is phrased as: Cal_days_in_month (calendar, ##Month, ##year) ;
Also Known As: Calendar days in month
Common Misspellings: Calender days in month
Examples:
<?phpThis will return: There were 31 days in May 1979
$num = cal_days_in_month(CAL_GREGORIAN, 5, 1979) ;
echo "There were $num days in May 1979";
?>
