使用PHP减去日期后的几天，几个月或几年 [英] Subtracting days, months or years from date using php

问题描述

我有一个带有('Y-m-d')格式的日期字段startBefore的数据库表.还有3个其他的int字段，分别表示年，月和日.我想做的是用'Y-m-d'格式将这三个字段填写为新的startAfter日期.

I have a db table with a date field startBefore in ('Y-m-d') format. There are also 3 other int fields representing years, months and days. What I would like to do is to fill these three fields the new startAfter date in 'Y-m-d' format.

例如，我将'2001-11-14'作为startBefore日期，并且我想减去3年7个月零1天以获得startAfter日期.

For example I have the '2001-11-14' as startBefore date and I would like to subtract 3 yrs, 7 months, 1 day to get the startAfter date.

有什么想法可以实现这一目标吗?

Any ideas how I can accomplish this?

谢谢！

推荐答案

使用strtotime('date -years -months -days')

  <?php
    $time = strtotime('2001-11-14 -3 years -7 months -5 days');
    echo $date = date("Y-m-d", $time);

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