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<?php $start = new DateTime('2017-09-01 23:00:00'); $stop = new DateTime('2017-09-02 01:34:00'); $hours = iterator_count(new DatePeriod($start, new DateInterval('PT1S'), $stop)) / 3600; echo round($hours, 2);
Output for git.master, git.master_jit, rfc.property-hooks
2.57

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