$license = 'L01234567890123P';
    $secret = 'ABCDEFGHIJKLMNOP';
    $time = time();

    $queries = [
        'license' => $license,
        'time' => $time,
        // 'cnt' => 1, // 代理数（可选）
    ];

    $queries['sign'] = md5($license . $time . $secret);

    $url = 'https://api-ip.abuyun.com/obtain?' . http_build_query($queries);

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $response = curl_exec($ch);

    if (!$response) {
      die('Error: "' . curl_error($ch) . '" - Code: ' . curl_errno($ch));
    }

    echo 'HTTP Status Code: ' . curl_getinfo($ch, CURLINFO_HTTP_CODE) . PHP_EOL;
    echo 'Response Body: ' . $response . PHP_EOL;

    curl_close($ch);