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PHP获取指定指定月份的天数，php获取月份天数

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Release： 2016-06-13 08:44:34
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PHP获取指定指定月份的天数，php获取月份天数


最近写接口的时候突然发现的非常实用的php函数，在这儿分享一下：

cal_days_in_month(calender,$month,$year)；

calender：历法，常量，如CAL_GREGORIAN(阳历);

 

$month：指定的月份；

$year：指定的年份；

返回： 天数

如：

　　$monthday = cal_days_in_month(CAL_GREGORIAN,3,2016);

　　echo $monthday;

输出：31

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source：php.cn
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