[转]使用Swoole协程一键代理PHP-FPM服务

<?php
// 引入swoole库
require 'swoole_http_server.php';
 
$server = new swoole_http_server('0.0.0.0', 9501);
 
$server->on('request', function ($request, $response) {
    // 转发请求到PHP-FPM服务
    $fp = stream_socket_client("tcp://127.0.0.1:9000", $errno, $errmsg);
    if (!$fp) {
        $response->end("PHP-FPM connection failed: $errmsg\n");
    } else {
        $data = $request->get;
        $data = http_build_query($data);
        $length = strlen($data);
        $request = "POST /index.php HTTP/1.1\r\n";
        $request .= "Host: 127.0.0.1\r\n";
        $request .= "Content-Type: application/x-www-form-urlencoded\r\n";
        $request .= "Content-Length: {$length}\r\n";
        $request .= "Connection: close\r\n\r\n";
        $request .= $data;
 
        fwrite($fp, $request);
        $result = '';
        while (!feof($fp)) {
            $result .= fread($fp, 1024);
        }
        fclose($fp);
 
        // 输出PHP-FPM服务的响应
        $response->end($result);
    }
});
 
$server->start();

这段代码使用了Swoole的HTTP服务器，并在9501端口监听。当收到请求时，它会将请求转发到本地的PHP-FPM服务（运行在9000端口），并输出PHP-FPM服务的响应。这样，我们可以用Swoole提供的高性能网络IO，来代理和处理PHP请求，从而实现高性能的服务器。