<?php
// initial value

$week = 50;
$year = 2001;
$store = array();
do
  {
  $week++;
  $result = "$week/$year"; echo "$result\n";
  array_push($store, $result);
  if($week == 53){
    $week = 0;
    $year++;//increment year by 1
    }
    continue;
  }
// End of Loop
while ($result !== "2/2002");

?>

51/2001
52/2001
53/2001
1/2002
2/2002