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<?php $start = (new DateTime('2010-12-02'))->modify('first day of this month'); $end = (new DateTime('2012-05-06'))->modify('first day of this month'); $interval = DateInterval::createFromDateString('1 month'); $period = new DatePeriod($end, $interval, $start); foreach ($period as $dt) { echo $dt->format("Y-m") . "<br>\n"; }
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