Online PHP editor | refs for mudH8

<?php $start = DateTime::createFromFormat('Y-m-d H:i:s', '2019-01-01 07:00:00'); $end = DateTime::createFromFormat('Y-m-d H:i:s', '2019-01-01 10:00:00'); var_dump($start->diff($end)->h); $start = DateTime::createFromFormat('Y-m-d H:i:s', '2018-01-01 07:00:00'); $end = DateTime::createFromFormat('Y-m-d H:i:s', '2019-01-01 10:00:00'); var_dump($start->diff($end)->h);