Generate Weeks Date using PHP Code

$month=date("m"); //Present Month Number 01-12
$date=date("d"); // Present Date Number 01-31
$year=date("Y"); // Present Year Number 1970-xxxx
$date = mktime(0, 0, 0, $month, $date, $year); // Time stamp
$week = (int)date('W', $date); // Gives Week Number
$year = (int)date('Y', $date); // Gives Year Number


for($i=1;$i<5;$i++) {
date("Y-m-d", strtotime("{$year}-W{$week}-$i")); // Gives 2009-12-28 t0 2009-01-01
}