How to get the time a few days ago in php

php method to get the time a few days ago: first create a php sample file; then use the "date('Y-m-d', strtotime('-7 days'));" method to get the time 7 days ago Time; finally, use the "strtotime('now'));" method to get the current timestamp.

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$date = date('Y-m-d', strtotime('-7 days')); //保留年-月-日
<?php echo echo date(”Y-m-d H:i:s”,strtotime(”-7 day”)) ;?> //保留年-月-日 时：分：秒
strtotime(&#39;-7 days&#39;)  获得的是时间戳
strtotime(&#39;now&#39;)); //获取当前的时间戳
time() //获取的时间戳

Extended information:

1. Use the function date() to achieve

Enter in the editor, Click Enter to know the current time. Where Y represents the 4-digit year, H is the 24-hour format, and i is the minute, such as: "00" to "59". s - is the second, such as: "00" to "59" .

d is the day, two digits, if there are less than two digits, add zero in front. Such as: "01" to "31". m represents the month, a two-digit number. If there are less than two digits, add zeros in front, such as: "01" to "12".

2. Use the time function

Input echo date("y-m-d",$time) in the editor and click Enter to know the current time, where Y represents 4 digits Year, m represents the month, two digits, if there are less than two digits, add zeros in front, such as: "01" to "12". d is the day, a two-digit number. If there are less than two digits, zero will be added in front. Such as: "01" to "31".

3. Use the strftime function

Enter echo strftime ("%hh%m %a %d %b" ,time()) in the editor; click Enter to find out The current time.

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