$kates=$_GET["urunkate"];
$kate = explode(',',$kates);
$sorgu = $db->prepare("select * from urun where urunkate='$kate'");
$sorgu-> execute(array($kates));
$row = $sorgu->fetch(PDO::FETCH_ASSOC);
$x = $sorgu->rowCount();

$sorx = $db->prepare("SELECT * FROM xxx");
$sorx-> execute();
foreach($sorx as $rv) {
?>