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<?php $dateTime = new DateTimeImmutable('now', new DateTimeZone('GMT+10:00')); var_dump($dateTime->format('c')); var_dump($dateTime->getTimestamp()); var_dump(time()); $dateTime = $dateTime->setTime(14, 0)->modify('- 10 days'); var_dump($dateTime->format('c')); var_dump($dateTime->getTimestamp());

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