php_async_worker/udp-cmd.php

<?php
define('CONFIG_FILE', __DIR__ . '/config.php');

include __DIR__ . '/functions.php';

//检查参数
if ($argc < 2) {
	die("Usage: {$argv[0]} CMD ARG...\n");
}

//加载配置
$cfg = [];
load_config();

$s = stream_socket_client("udp://{$cfg['udp_host']}:{$cfg['udp_port']}", $errno, $error);
if (!$s) {
	die("stream_socket_server() call failed: #{$errno},{$error}");
}

$args = $argv;
array_shift($args); //php_self
$flag = fwrite($s, json_encode($args));
fclose($s);

var_dump($flag);