Online PHP editor | refs for uXf8d

<?php echo date_default_timezone_get(); echo "\n\n"; $dateTime = new DateTime('2016-10-29 10:00:00'); // back one hour echo $dateTime->format(DateTime::RFC3339); echo "\n"; $dateTime->add(new DateInterval('PT23H')); echo $dateTime->format(DateTime::RFC3339); echo "\n\n"; $dateTime = new DateTime('2016-03-26 10:00:00'); // forward one hour echo $dateTime->format(DateTime::RFC3339); echo "\n"; $dateTime->add(new DateInterval('PT23H')); echo $dateTime->format(DateTime::RFC3339); echo "\n\n"; $dateTime = new DateTime('2016-05-26 10:00:00'); // no DST change echo $dateTime->format(DateTime::RFC3339); echo "\n"; $dateTime->add(new DateInterval('PT23H')); echo $dateTime->format(DateTime::RFC3339);