phpsocket连接,UDP

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<meta charset="utf-8">
<?php

//服务器信息
$server = 'udp://192.168.253.1:9998';
//消息结束符号
$msg_eof = "\n";
$socket = stream_socket_server($server, $errno, $errstr, STREAM_SERVER_BIND);
if (!$socket) {
die("$errstr ($errno)");
}

do {
//接收客户端发来的信息
$inMsg = stream_socket_recvfrom($socket, 1024, 0, $peer);
//服务端打印出相关信息
echo "Client : $peer\n";
echo "Receive : {$inMsg}";
//给客户端发送信息
$outMsg = substr($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);

?>