Web script not working

$toonlevel = ('select MAX(Level) as toonlevel FROM [PS_GameData].[dbo].[Chars] as c
left join(select UserUID from PS_UserData.dbo.Users_Master) as um ON c.UserUID = um.UserUID
where UserID = ?');
if ($toonlevel <= 15)
{
header('Refresh:1; url = [Only registered and activated users can see links. Click Here To Register...]
echo "<script>alert('You need atleast one level 15 char to login !');</script>";
exit();
}
else
{
$_SESSION['UserUID'] = $uid;
$_SESSION['AdmLvl'] = $row[3];
exit();
}

$toonlevel = $dbh->prepare('select MAX(Level) as toonlevel FROM [PS_GameData].[dbo].[Chars] as c
left join(select UserUID from PS_UserData.dbo.Users_Master) as um ON c.UserUID = um.UserUID
where UserID = ?');
$dbh->execute();
$result = $dbh->fetchAll(PDO::FETCH_COLUMN, 0);
if ($toonlevel <= 15);
{
header('Refresh:1; url = [Only registered and activated users can see links. Click Here To Register...]
echo "<script>alert('You need atleast one level 15 char to login !');</script>";
exit();
}
else
{
$_SESSION['UserUID'] = $uid;
$_SESSION['AdmLvl'] = $row[3];
exit();
}

$sth = $dbh->prepare('select MAX(Level) as toonlevel FROM [PS_GameData].[dbo].[Chars] as c
left join(select UserUID from PS_UserData.dbo.Users_Master) as um ON c.UserUID = um.UserUID
where UserID = ?');
$sth->execute();
$result=$sth->fetch();
echo $result['toonlevel'];
if (toonlevel <= 15)
{
header('Refresh:1; url = [Only registered and activated users can see links. Click Here To Register...]
echo "<script>alert('You need atleast one level 15 char to login !');</script>";
exit();
}
else
{
$_SESSION['UserUID'] = $uid;
$_SESSION['AdmLvl'] = $row[3];
exit();
}