PHP 获取指定月对应天数的代码
<?php/**
* 获取指定月对应的天数
* www.jbxue.com
*/
$firstday = mktime(0,0,0,$month,1,$year); //取所给年月的第一天的UNIX时间戳
$days = date('t',$firstday); //返回指定月份的天数
$days = cal_days_in_month(CAL_GREGORIAN, 4, 2013);//返回2003-02的天数
$days = date('t', strtotime($year . '-' . $month . '-01'));//返回天数
$ndays = date("t"); //return the number of days for this month and this year
date("j",mktime(0,0,0,$month+1,0,$year));
?>
本文出处参考：http://blog.csdn.net/maitiandaozi/article/details/8808041
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