code: public function clientGetByName($name)
      {
          foreach ($this->clientList() as $client) {
              if ($client["client_nickname"] == $name) {
                  return $client;
              }
          }
  
          throw new TeamSpeak3_Adapter_ServerQuery_Exception("invalid clientID", 0x200);
      }
docs: Returns the Client object matching the given name.
  
  @param  integer $name
  @throws TeamSpeak3_Adapter_ServerQuery_Exception
  @return Client