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<?php $year = 2013; $week = 25; $Jan1 = mktime(0, 0, 0, 1, 1, $year); $MondayOffset = (11 - date('w', $Jan1)) % 7 - 3; $desiredMonday = strtotime(($week - 1) . ' weeks ' . $MondayOffset . ' days', $Jan1); $desiredSunday = strtotime('+0 week 0 days 1 hour', $desiredMonday); var_dump( date("Y-m-d H:i:s", $desiredMonday) , date("Y-m-d H:i:s",$desiredSunday) );

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