SendKeepAlive Method
Sends a keep-alive packet.
Object Oriented Interface
public function doSendKeepAlive($connectionid);
Procedural Interface
secureblackbox_tlsserver_do_sendkeepalive($res, $connectionid);
Remarks
Use this method to send a keep-alive packet to a client. Keep alive is an empty packet; keep-alive signals sent occasionally can be used to keep connection up.