Online PHP editor | refs for mfFHh

@ 2013-04-20T12:58:22Z

<?php
	$interval = new DateInterval('P2M1D');

	$dt = new DateTime('first day of January 2011');
	var_dump($dt);

	$dt->add($interval);
	var_dump($dt);

	$dt = new DateTime('first day of January 2011');

	$dt->sub($interval);
	var_dump($dt);