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<?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;
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
2022-03-27 03:30:00 2022-03-27 04:30:00 2022-03-27 04:30:00
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
2022-03-27 03:30:00 2022-03-27 03:30:00 2022-03-27 04:30:00

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