swoole 示例

$str = $_GET['a'];

$client = new swoole_client(SWOOLE_SOCK_TCP);
if (!$client->connect("127.0.0.1", 9501, -1))
{
    exit("connect failed. Error: {$client->errCode}
");
}
$client->send("hello world
" . $str);
echo $client->recv(); //打印 接收到的数据

$client->close();

$server = new swoole_server("127.0.0.1", 9501);
$server->on('connect', function ($server, $fd){
    echo "connection open: {$fd}
";
});
$server->on('receive', function ($server, $fd, $reactor_id, $data) {
    $server->send($fd, "Swoole: {$data}");
    $server->close($fd);
});
$server->on('close', function ($server, $fd) {
    echo "connection close: {$fd}
";
});
$server->start();