Online PHP editor | refs for XqL9Z

@ 2014-08-13T19:26:35Z

<?php
$tz=new DateTimeZone('UTC');


$date = new DateTime('2000-12-31', $tz);
$date->add(new DateInterval('P1M', $tz));
var_dump($date->format('Y-m-d'));

$date->add(new DateInterval('P1M', $tz));
var_dump($date->format('Y-m-d'));