PHP5中文手册·Return the number of days in a month for a given year and calendar -- 追寻梦想＞编程乐园＞PHP 编程

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 .

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

Example#1 cal_days_in_month() example


<?php
$num = cal_days_in_month(CAL_GREGORIAN, 8, 2003); // 31
echo "There was $num days in August 2003";
?>


	PHP5中文手册 Calendar cal_from_jd Calendar PHP Manual cal_days_in_month (PHP 4 >= 4.0.7, PHP 5) cal_days_in_month — Return the number of days in a month for a given year and calendar 说明 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` . 参数 `calendar` Calendar to use for calculation `month` Month in the selected calendar `year` Year in the selected calendar 返回值 The length in days of the selected month in the given calendar 范例 Example#1 cal_days_in_month() example `<?php $num = cal_days_in_month(CAL_GREGORIAN, 8, 2003); // 31 echo "There was $num days in August 2003"; ?>` Calendar cal_from_jd Calendar PHP Manual