Getting last month's date in php

Question

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

Answer 1

Found this one wrong when the previous months is shorter than current.

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

Try on March the 30th and you will get 2012-03-01 instead of 2012-02...

Working out on better solution...