multiple cookies

test.php

<?php

   if (isset($_COOKIE['one'])) {
      $new_one = $_COOKIE['one'] += 1;
      $new_two = $_COOKIE['two'] += 1;
      setcookie('one', $new_one);
      setcookie('two', $new_two);
      $response = "One says " . $new_one . " but Two says ". $new_two;
   } else {
      setcookie('one', 1);
      setcookie('two', 2);
      $response = "First time through.";
   }
   
   header("Content-type: text/xml\n");
?>
<Response>
   <Say><?php echo $response; ?></Say>
   <Pause length="2" />
   <Redirect />
</Response>