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<?php $date1 = new \DateTime('2015-05-01 20:41:28'); $date2 = new \DateTime('2015-05-03 17:41:28'); $diff = date_diff($date1, $date2)->format('%R%a days'); $timestamp = $date1->getTimestamp(); $timestamp = $timestamp - ($timestamp % 60); var_dump($timestamp); echo date('m/d/Y s', $timestamp); var_dump($date1->getTimestamp()); echo date('m/d/Y s', $date1->getTimestamp());

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