Online PHP editor | refs for EFucp

@ 2013-11-10T00:03:42Z

<?php

if (class_exists('DateTime')) {
    $date = (new DateTime('2013-10-31'))->modify('-1 month');
    print "2013-10-31, -1 month: {$date->format('m')}";
} else {
    print 'Not supported.';
}