Spørgsmål omkring mysqli rank op sætting

if($stmt = $mysqli->prepare("SELECT id, djnavn, hemmelig, rank FROM `users` WHERE `email` = ? AND `password` = ?")){
    $stmt->bind_param('s', $email);
    $email = $_POST['email'];
    $password = sha1($_POST['password']);
    $stmt->execute();
    $stmt->bind_result($brugerID, $djnavn, $hemmelig, $rank);
    $stmt->fetch();
    $count_res = $stmt->num_rows;
    $stmt->close();
    
    if( $count_res > 0) {
        $_SESSION["logged_in"] = true;
        $_SESSION["user_id"] = $brugerID;
        $_SESSION["djnavn"] = $djnavn;
        $_SESSION["hemmelig"] = $hemmelig;
        $_SESSION["rank"] = $rank;
        if($rank == 0)
        {
            header("Location: http://djinfo.dk/blocker.php[/url]");
            exit();
        }
        if($rank == 1)
        {
            header("Location: http://djinfo.dk/bruger-forside/");
            exit();
        }
        if ($rank == 2) {
            header("Location: http://djinfo.dk/admin-forside");
            exit();
        }
    }
}