PHP 백엔드 기능 개발에서 네트워크 요청을 최적화하는 방법은 무엇입니까?

function requestWithCache($url, $params) {
    $cacheKey = md5($url . json_encode($params));
    $memcached = new Memcached();
    $memcached->addServer('localhost', 11211);

    $result = $memcached->get($cacheKey);
    if ($result === false) {
        $result = sendRequest($url, $params);
        $memcached->set($cacheKey, $result, 60); // 缓存结果一分钟
    }

    return $result;
}

function batchRequest($urls) {
    $requests = [];
    foreach ($urls as $url) {
        $requests[] = [
            'method' => 'GET',
            'url' => $url,
        ];
    }

    $options = [
        'http' => [
            'method' => 'POST',
            'header' => 'Content-type: application/json',
            'content' => json_encode($requests),
        ],
    ];
    
    $context = stream_context_create($options);
    $result = file_get_contents('http://api.example.com/batch', false, $context);

    return json_decode($result, true);
}

function asyncRequest($url, $params) {
    $client = new SwooleCoroutineHttpClient($url, 80);
    $client->set([
        'timeout' => 10,
    ]);
    $client->post('/request', $params);
    $result = $client->getBody();
    $client->close();

    return $result;
}

function compressRequest($url, $params) {
    $data = gzcompress(json_encode($params), 9);
    $options = [
        'http' => [
            'method' => 'POST',
            'header' => 'Content-Encoding: gzip',
            'content' => $data,
        ],
    ];

    $context = stream_context_create($options);
    $result = file_get_contents($url, false, $context);

    return $result;
}