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<?php $start = new DateTime('2019-01-01'); $end = new DateTime('2019-02-27'); $interval = new DateInterval('P19D'); while ($start < $end) { echo $start->format('Y-m-d') . ' => '; $start->add($interval); echo min($start, $end)->format('Y-m-d') . "\n"; $start->add(new DateInterval('P1D')); }

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