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<?php $date1 = '2014-07-19 13:00'; $date2 = '2014-07-20 13:00'; $arr = range(strtotime($date1), strtotime($date2), 3600); $date_range = array(); foreach ($arr as $a) $date_range[] = date('Y-m-d H:i:s', $a); print_r($date_range);

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35.4 ms | 402 KiB | 5 Q