Online PHP editor | output for MVWMG

<?php if( method_exists('DateTime', 'diff') ){ $zone = new DateTimeZone('Europe/Madrid'); $start = new DateTime('2013-03-31 1:59:00 ', $zone); $end = new DateTime('2013-03-31 3:00:00', $zone); $difference = $start->diff($end); $cet = $difference->format('%H:%I:%S'); echo "CET: $cet\n"; $start->setTimeZone(new DateTimeZone('UTC')); $end->setTimeZone(new DateTimeZone('UTC')); $difference = $start->diff($end); $utm = $difference->format('%H:%I:%S'); echo "UTM: $utm\n"; echo ($cet===$utm ? 'Correct' : 'Error') . "\n"; }else{ echo 'DateTime::diff() no available yet'; }