I saved multiple data to the database with php pdo. but i think there is a problem here. It does not save that information in the database. Can you help me?
$connect=$db->prepare("INSERT INTO slide3yazi SET title=:title, description=:description, product_id=:product_id");
$connect->execute(['title'=>$_POST['slider3_title'], 'description'=>$_POST['slider3_description'], 'product_id'=>$uruns['urun_id']]);
for($i; $i <= $_POST['slider3_number']; $i++){
echo $description3 = $_POST["slider3_icerik_$i"];
$rand1 = rand(10,10000000);
$upload_dir = "../assets/img/urun_icon";
$tmp_name = $_FILES["slider3_resim_$i"]["tmp_name"];
$name = $_FILES["slider3_resim_$i"]['name'];
$logo = substr($upload_dir, 3)."/".$rand1.$name;
@move_uploaded_file($tmp_name, "$upload_dir/$rand1$name");
$connect=$db->prepare("INSERT INTO slider3 SET description=:description, photo=:photo, product_id=:product_id");
$connect->execute(['description'=>$description3, 'photo'=>$logo, 'product_id'=>$uruns['urun_id']]);
}