Online PHP editor | refs for JWRMV

@ 2014-04-25T13:01:07Z

<?php

$date = new DateTime('2014-04-25 14:59:59', new DateTimeZone('Europe/Rome'));

echo $date->format('Y-m-d H:i:s O'), "\n";

$result = $date->modify('-15 minutes');
echo $date->format('Y-m-d H:i:s O'), "\n";

var_dump($result);