Online PHP editor | refs for HQmqn

<?php date_default_timezone_set('Europe/Amsterdam'); $baseDate = new DateTimeImmutable('2022-03-27 01:30:00'); echo $baseDate->add(new DateInterval('PT1H'))->format('Y-m-d H:i:s') . PHP_EOL; echo $baseDate->add(new DateInterval('PT2H'))->format('Y-m-d H:i:s') . PHP_EOL; echo $baseDate->add(new DateInterval('PT1H'))->add(new DateInterval('PT1H'))->format('Y-m-d H:i:s') . PHP_EOL;