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<?php $dt = new DateTime('2019-01-31'); $day = $dt->format('d'); $i = 0; do { $dt->modify('first day of this month')->add(new DateInterval('P1M')); if ($dt->format('t') < $day) { continue; } $final = $dt->format('Y-m-' . $day); echo $final."\n"; $i++; } while ($i < 10);
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 2019-12-31 2020-01-31 2020-03-31 2020-05-31 2020-07-31

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