Online PHP editor | refs for JsD7n

@ 2013-11-09T23:58:21Z

<?php

if (class_exists('DateTime')) {
    $date = new DateTime('2013-10-31');
    //$date->sub(DateInterval::createFromDateString('1 month'));
    $date->sub(new DateInterval('P1M'));
    print $date->format('m');
} else {
    print 'Not supported.';
}