php 如何从今天的日期减去4个月?

声明:本页面是StackOverFlow热门问题的中英对照翻译,遵循CC BY-SA 4.0协议,如果您需要使用它,必须同样遵循CC BY-SA许可,注明原文地址和作者信息,同时你必须将它归于原作者(不是我):StackOverFlow 原文地址: http://stackoverflow.com/questions/4163387/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me): StackOverFlow

提示:将鼠标放在中文语句上可以显示对应的英文。显示中英文
时间:2020-08-25 12:09:47  来源:igfitidea点击:

How to subtract 4 months from today's date?

phpdateintervalssubtraction

提问by Jason94

I need to declare two dates in "Ymd"format: $toDateand $fromDate.

我需要以"Ymd"格式声明两个日期:$toDate$fromDate

$toDaterepresents today's date and $fromDateneeds to be 4 months earlier than today.

$toDate代表今天的日期,$fromDate需要比今天早 4 个月。

$toDate = Date('Ymd');
$fromDate = ?

How do I create $fromDate?

我如何创建$fromDate

回答by Pekka

Use the magic of strtotime:

使用魔法strtotime

$fromDate = date("Ymd", strtotime("-4 months"));

回答by Prabhu M

see the code below...

看下面的代码...

$fourmonthsback = date("Ymd", mktime(0, 0, 0, date("m")-4, date("d"),   date("Y")));

OR

或者

$fourmonthsback = mktime(0, 0, 0, date("m")-4, date("d"),   date("Y"));