/**
  * Detect if the IP should be banned.
  *
  * @return bool result
  */
 static function detect_ban()
 {
     $ip = $_SERVER["REMOTE_ADDR"];
     $ban = false;
     $ban = gdsrBlgDB::check_ip_single($ip);
     if (!$ban) {
         $ban = gdsrBlgDB::check_ip_range($ip);
     }
     if (!$ban) {
         $ban = gdsrBlgDB::check_ip_mask($ip);
     }
     return $ban;
 }