Getting last month's date in php


I want to get last month's date. I wrote this out:

$prevmonth = date('M Y');

Which gives me the current month/year. I can't tell if I should use strtotime, mktime. Something to the timestamp? Do I need to add something afterwards to reset so that the date isn't set to last month throughout everything for all timestamps on my site? I'm trying to RTM but it's hard for me to figure this out.

5/5/2017 7:04:09 PM

Accepted Answer

It's simple to get last month date

echo date("Y-n-j", strtotime("first day of previous month"));
echo date("Y-n-j", strtotime("last day of previous month"));

at November 3 returns

4/21/2016 5:37:33 PM

echo strtotime("-1 month");

That will output the timestamp for last month exactly. You don't need to reset anything afterwards. If you want it in an English format after that, you can use date() to format the timestamp, ie:

echo date("Y-m-d H:i:s",strtotime("-1 month"));

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