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<?php $start = new DateTime('2014-12-01'); $start->modify('first day of this month'); $end = new DateTime('2015-05-30'); $end->modify('first day of this month'); $interval = DateInterval::createFromDateString('1 month'); $period = new DatePeriod($start, $interval, $end); foreach ($period as $dt) { echo $dt->format("Y-m") . PHP_EOL; }
Output for git.master, git.master_jit, rfc.property-hooks
2014-12 2015-01 2015-02 2015-03 2015-04

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