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<?php $dt = new DateTime('2019-01-31'); $day = $dt->format('d'); for ($i=1; $i <= 10; $i++) { $next = clone $dt; $next->add(new DateInterval("P{$i}M")); if ($next->format('d') != $day) continue; echo $next->format('Y-m-d') ."\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
2019-03-31 2019-05-31 2019-07-31 2019-08-31 2019-10-31

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