calling Redis keys by minute in a range of minutes...

date_range

        $objDateTime = new DateTime('NOW');
        $this->importTime = $objDateTime->format('Y-m-d H:i:sP');
        $objDateTimeAgo = new DateTime('-60 minutes');
        $start         = $objDateTimeAgo;
        $end           = $objDateTime;
        $interval      = DateInterval::createFromDateString('1 min');
        $times         = new DatePeriod($start, $interval, $end);
        $totals        = null;
        $parsedResults = null;
        $redisKey = 'analytics';
        foreach ($times as $time) {
            $hour       = $time->format('G');
            $minute     = intval($time->format('i'));
            $currentKey = $redisKey . ':' . $hour . ':' . $minute;
            $log        .= "- Current Key: " . $currentKey;
        }
        var_dump($log);