PHP cal_days_in_month() 函數(shù)
定義和用法
cal_days_in_month() 函數(shù)針對(duì)指定的年份和日歷,返回一個(gè)月中的天數(shù)。
語(yǔ)法
cal_days_in_month(calendar,month,year)
| 參數(shù) | 描述 |
|---|---|
| calendar | 必需。規(guī)定要使用的歷法。 |
| month | 必須。規(guī)定月。 |
| year | 必須。規(guī)定年。 |
例子
<?php
$d=cal_days_in_month(CAL_GREGORIAN,10,2005);
echo("There was $d days in October 2005");
?>
輸出:
There was 31 days in October 2005