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The cal_days_in_month() function returns the number of days in a month of a specified year and calendar.
cal_days_in_month()函数的作用是:返回指定日历、年份的某个月份的天数。
cal_days_in_month(calendar,month,year) |
Parameter 参数 | Description 描述 |
---|---|
calendar | Required. Specifies the calendar to use 必要参数。指定需要执行操作的日历对象 |
month | Required. Specifies the month 必要参数。指定月份 |
year | Required. Specifies the year 必要参数。指定年份 |
<?php $d=cal_days_in_month(CAL_GREGORIAN,10,2005); echo("There was $d days in October 2005"); ?> |
The output of the code above will be:
上述代码将输出下面的结果:
There was 31 days in October 2005 |