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<?php $date = new DateTime( '2016-08-25' ); echo $date->format('Y-m-d'),"\n"; $day = $date->format('j'); $date->modify('first day of sixth month'); $date->modify('+' . (min($day, $date->format('t')) - 1) . ' days'); echo $date->format('Y-m-d');
Output for git.master, git.master_jit, rfc.property-hooks
2016-08-25 2017-02-25

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