<?

 if (isset($_COOKIE['i'])) { $j = $_COOKIE['i']; } 
 else {
   setcookie ("i", 1, time()+36000);
   $j = 0;
 }

   $k = $j + 1;
   setcookie ("i", $k, time()+3600);
   
   if $k >= 10 { echo "stopit";  }
   else {
        echo "I is : $k";
   }
   
?>