public function setAdmin($val)
{
if ($val == 1 && !$this->isAdmin()) {
$stn = DB::sql("INSERT INTO `admin` SET uid=?");
$stn->bindValue(1, $this->uid, DB::PARAM_INT);
$stn->execute();
} else {
if ($val == 0 && $this->isAdmin()) {
$stn = DB::sql("DELETE FROM `admin` WHERE uid=?");
$stn->bindValue(1, $this->uid, DB::PARAM_INT);
$stn->execute();
}
}
}