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🗣 Wd提问: php搭建websocket服务器

🤖 Ai回答:
可以使用Ratchet库来搭建PHP WebSocket服务器。以下是一个简单的示例：

1、安装Ratchet：
bash
composer require cboden/ratchet

2、创建server.php文件：
php
<?php
require 'vendor/autoload.php';

use Ratchet\MessageComponentInterface;
use Ratchet\ConnectionInterface;
use Ratchet\Server\IoServer;
use Ratchet\WebSocket\WsServer;

class Chat implements MessageComponentInterface {
protected $clients;

public function __construct() {
$this-clients = new \SplObjectStorage;
}

public function onOpen(ConnectionInterface $conn) {
$this-clients-attach($conn);
echo New connection! ({$conn-resourceId})\n;
}

public function onMessage(ConnectionInterface $from, $msg) {
foreach ($this-clients as $client) {
if ($from !== $client) {
$client-send($msg);
}
}
}

public function onClose(ConnectionInterface $conn) {
$this-clients-detach($conn);
echo Connection {$conn-resourceId} has disconnected\n;
}

public function onError(ConnectionInterface $conn, \Exception $e) {
echo An error has occurred: {$e-getMessage()}\n;
$conn-close();
}
}

$server = IoServer::factory(
new WsServer(new Chat()),
8080
);

$server-run();

3、启动服务器：
bash
php server.php

4、客户端连接示例（JavaScript）：
javascript
var conn = new WebSocket('ws://localhost:8080');
conn.onopen = function(e) {
console.log(Connected);
};
conn.onmessage = function(e) {
console.log(Received: + e.data);
};
conn.send(Hello Server!);

注意：实际部署时请确保服务器安全配置，使用TLS加密通信，避免在公共网络中暴露端口。

Ai作答

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