Ben mysqli comnnection ile bir form var Merhaba arkadaşlar

<label for="fullname">Fullname</label>
<input type="text" name="fullname" />

<label for="photo">Upload photo</label>
<input name="photo" type="file"/>

ve php ben var biter

$fullname = $_POST['fullname'];

    $uploaddir = './uploads/';
    //upload file in folder
    $uploadfile = $uploaddir. basename($_FILES['photo']['name']);
    //insert filename in db
    $upload_filename = basename($_FILES['photo']['name']);
    move_uploaded_file($_FILES['photo']['tmp_name'], $uploadfile);
    $photo = $upload_filename;

$sql = "INSERT INTO members(fullname,photo) VALUES('$fullname', '$photo')";
$stmt = $link->query($sql) or die($link->error);
    $stmt->close;

Lütfen bana yardımcı olun, ben canlı bir sitede kullanıyorum