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<?php $dateTime = new \DateTimeImmutable('2017-10-29 01:59:00', new \DateTimeZone('Europe/Zurich')); $timestamp = $dateTime->getTimestamp(); var_dump($dateTime->format('c')); for ($i = 0; $i < 180; $i++) { $dateTime = $dateTime->add(new \DateInterval('PT60S')); var_dump($dateTime->format('c')); } for ($i = 0; $i < 180; $i++) { $timestamp += 60; var_dump(date('c', $timestamp)); }

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