今週、来週、再来週の火曜日の日付を表示する必要があります。
例えば、
$first_date = date('m/d/y',strtotime('tuesday this week')); =>result => '01/10/13'
$second_date = date('m/d/y',strtotime('tuesday next week')); =>result => '08/10/13'
$third_date = -----This one i needed-------- =>result => '15/10/13'