PHP swoole UDP服务端和客户端

<?php

$serv = new swoole_server(‘127.0.0.1‘,9501,SWOOLE_PROCESS,SWOOLE_SOCK_UDP);
$serv->on(‘Packet‘,function ($serv,$data,$clientinfo)
{
    $serv->sendto($clientinfo[‘address‘],$clientinfo[‘port‘],"发来的数据{$data}\n");
    echo $data."\n";
});

$serv->start();
?>

<?php

$client = new swoole_client(SWOOLE_SOCK_UDP);
if(!$client->connect(‘127.0.0.1‘,9501))
{
    echo "I‘m deeply sorry";
}
fwrite(STDOUT,"说点儿什么吧\n");
$msg = trim(fgets(STDIN));
$client->send($msg);
$ret = $client->recv();
echo $ret;
?>