Php method for UDP communication based on socket

This article mainly introduces PHP based on socket implementation of UDP communication method, interested in the friend's reference, I hope to help you.

This paper describes the UDP communication method of socket communication in PHP, as follows:

1. Create a simple UDP server

Server information $server = ' udp://127.0.0.1:9998 '; Message end symbol $msg _eof = "\ n"; $socket = Stream_socket_server ($server, $errno, $errstr, Stream_server_bind); if (! $socket) {die   ("$errstr ($errno)") and} do {   //receive the information sent by the client   $INMSG = Stream_socket_recvfrom ($socket, 1024, 0, $peer);   Service-side print out the relevant information   echo "Client: $peer \ n";   echo "Receive: {$INMSG}";   Send message to client   $OUTMSG = substr ($INMSG, 0, (Strrpos ($INMSG, $msg _eof)). '--'. Date ("D M J h:i:s y\r\n");   Stream_socket_sendto ($socket, $OUTMSG, 0, $peer); } while ($INMSG!== false);

2. Simple Client

function Udpget ($sendMsg = ', $ip = ' 127.0.0.1 ', $port = ' 9998 ') {   $handle = stream_socket_client ("udp://{$ip}:{$port } ", $errno, $errstr);   if (! $handle) {die     ("ERROR: {$errno}-{$errstr}\n");   }   Fwrite ($handle, $SENDMSG. " \ n ");   $result = Fread ($handle, 1024x768);   Fclose ($handle);   return $result; } $result = Udpget (' Hello world '); echo $result;

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