public static function badLids() {
  $db=Database::getConnection();
  $err="Ошибка обработки формы";
  $ok="Статус изменен";

if(isset($_POST['bad_lid']) && $_POST['token']==$_SESSION['token']) {
  $id=$_POST['lidid'];
  $stat='4';
  $param=array(':stat'=>$stat, ':id'=>$id);
  $sql = "UPDATE lids SET stat_lids=:stat WHERE id_lids=:id";
  $sth=$db->prepare($sql);
  $sth->execute($param);

  $_SESSION["ok"] = $ok;
  header("Location: ".$_SERVER["HTTP_REFERER"]);
} else {
  $_SESSION["error"] = $err;
      header("Location: ".$_SERVER["HTTP_REFERER"]);
      exit();
}
  }