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<?php $Start_Week = 201338; $Optel_Week = 8; $start = new DateTime(); $start->setISODate(substr($Start_Week, 0, 4), substr($Start_Week, 4, 2)); echo $start->format('Y-m-d'), PHP_EOL; $start->add(new DateInterval(sprintf('P%dW', $Optel_Week))); echo $start->format('Y-m-d'), PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
2013-09-16 2013-11-11

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