Online PHP editor | refs for nldvb

<?php $creationTime = \DateTimeImmutable::createFromFormat('Y-m-d H:i:s', '2017-07-10 10:00:00'); $expirationTime = \DateTimeImmutable::createFromFormat('Y-m-d H:i:s', '2017-07-10 11:00:00'); $time = $expirationTime->diff($creationTime); var_dump($time->format('%s Seconds'));