Online PHP editor | refs for EFBYu

<?php $date_start = new DateTime($planning->getBegintijd()); $date_end = new DateTime($planning->getEindtijd()); // TEST $date_start = new DateTime("2014-01-01 09:00:00"); $date_end = new DateTime("2014-01-02 07:00:00"); $diff = $date_start->diff($date_end, true); $compairDate = $date_start->add(new DateInterval('P'. $diff->h . 'H')); var_dump($date_start, $date_end, $diff, $compairDate);