Given a time, how can I find the time one month ago

Question

Given a time, how can I find the time one month ago.

Answer 1

This code is for getting 1 month before not 30 days

$date = "2016-03-31";

$days = date("t", strtotime($date));

echo  date("Y-m-d", strtotime( "-$days days", strtotime($date) ));