Online PHP editor | output for C9TJ6

<?php $dt1 = new \DateTime('2016-10-30 00:30:00', new \DateTimeZone('UTC')); $dt2 = new \DateTime('2016-10-30 01:30:00', new \DateTimeZone('UTC')); var_dump($dt1->getTimestamp()); var_dump($dt2->getTimestamp()); var_dump($dt1->setTimezone(new \DateTimeZone('Europe/Brussels'))->format(\DateTime::RFC3339)); var_dump($dt2->setTimezone(new \DateTimeZone('Europe/Brussels'))->format(\DateTime::RFC3339)); var_dump($dt1->getTimestamp()); var_dump($dt2->getTimestamp()); var_dump($dt1->setTimezone(new \DateTimeZone('UTC'))->format(\DateTime::RFC3339)); var_dump($dt2->setTimezone(new \DateTimeZone('UTC'))->format(\DateTime::RFC3339)); var_dump($dt1->getTimestamp()); var_dump($dt2->getTimestamp());