if(is_numeric($_GET['id']) && $_GET['id'] >0){
$id=$_GET['id'];
if($S=$mysqli->prepare('SELECT *FROM produkt WHERE id= ?')){
echo $id;
$S->bind_param("i",$id);
$S->execute();
$S->bind_result($id1,$neme1,$category1);
$S->fetch();
echo '<form action="" method="POST"/>';
echo '<input type="text" name="name2" value="'.$neme1.'"/>';
echo '<input type="text" name="name3" value="'.$category1.'" />';
echo '<input type="hidden" name="id" value="'.$id.'" />';
echo '<input type="submit" value="wyslij" name="submit1"/>';
echo '</form>';
if(isset($_POST['submit1'])){
$name5=$_POST['name2'];
$category5=$_POST['name3'];
$id5=$_POST['id'];
if($mga=$mysqli->prepare('UPDATE produkt SET name = ? ,category = ? WHERE id = ? ')){
$mga->bind_param("ssi",$name5,$category5,$id5);
$mga->execute();
$mga->close();
echo 'dobrzesformuowane';
header('Location:index.php');
}else{
echo 'zlesformółowane';
}