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cal_days_in_month

(PHP 4 >= 4.1.0, PHP 5)

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

Description

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

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

Parameters

calendar

Calendar to use for calculation

month

Month in the selected calendar

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() example

<?php
$num 
cal_days_in_month(CAL_GREGORIAN82003); // 31
echo "There was $num days in August 2003";
?>

PHP Manual