Online PHP editor | refs for mphig

<?php $minutes = 5; $dt = new DateTime('2001-01-01 01:01:60'); echo (new DateTime('2001-01-01 01:' . (floor($dt->format('i')/$minutes) * $minutes) . ':60'))->format('Y-m-d H:i:s') . "\n"; echo (new DateTime('2001-01-01 01:' . (ceil($dt->format('i')/$minutes) * $minutes) . ':60'))->format('Y-m-d H:i:s') . "\n";