PHP cURL获取Gzip编码HTML响应的正确姿势

<?php

$header_request = array (
    // ... 其他请求头
    "accept-encoding: gzip", // 明确告知服务器接受gzip编码
    // ... 其他请求头
);

$ch = curl_init();

curl_setopt_array($ch, array(
      CURLOPT_URL => "https://ptc4btc.com/dashboard",
      CURLOPT_RETURNTRANSFER => 1,
      CURLOPT_FOLLOWLOCATION => 1,
      CURLOPT_HTTPHEADER => $header_request,
      CURLOPT_SSL_VERIFYPEER => 0, // 注意：生产环境应设为1并配置CA证书
      CURLOPT_SSL_VERIFYHOST => 2, // 注意：生产环境应设为1或2
  ));

$exec = curl_exec($ch); // 此时$exec可能包含Gzip压缩的二进制数据
echo($exec); // 直接输出会导致乱码

curl_close($ch); // 修正：应关闭$ch句柄
?>

<?php

$header_request = array (
    "accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
    "accept-encoding: gzip", // 告知服务器接受gzip编码
    "accept-language: id-ID,id;q=0.9,en-US;q=0.8,en;q=0.7",
    "cookie: csrf_cookie_name=9316014c9d7860019da66a78edfaf926; _data_pop=115-1_274-1; ci_session=607f0be4e56b8b08ee2398b892f115c9e660192e; _data_cpc=1-2_15-2_190-4",
    "referer: https://ptc4btc.com/",
    "user-agent: Mozilla/5.0 (Linux; Android 7.0; Moto C Plus) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.56 Mobile Safari/537.36",
    "upgrade-insecure-requests: 1"
);

$ch = curl_init();

curl_setopt_array($ch, array(
      CURLOPT_URL => "https://ptc4btc.com/dashboard",
      CURLOPT_RETURNTRANSFER => 1,
      CURLOPT_FOLLOWLOCATION => 1,
      CURLOPT_HTTPHEADER => $header_request,
      CURLOPT_SSL_VERIFYPEER => 0,
      CURLOPT_SSL_VERIFYHOST => 2,
  ));

$exec = curl_exec($ch);

// 检查cURL执行是否成功
if ($exec === false) {
    echo 'cURL Error: ' . curl_error($ch);
} else {
    // 尝试解码Gzip内容
    $decoded_content = @gzdecode($exec); // 使用@抑制可能出现的警告
    if ($decoded_content === false) {
        // 如果gzdecode失败，可能是内容并非Gzip，或者数据损坏，直接输出原始内容
        echo $exec;
    } else {
        echo $decoded_content; // 输出解码后的HTML
    }
}

curl_close($ch); // 关闭cURL句柄
?>

<?php

$ch = curl_init();

curl_setopt_array($ch, array(
      CURLOPT_URL => "https://ptc4btc.com/dashboard",
      CURLOPT_RETURNTRANSFER => 1,
      CURLOPT_FOLLOWLOCATION => 1,
      CURLOPT_ENCODING => "", // 让cURL自动处理内容编码（包括gzip）
      // 注意：当设置CURLOPT_ENCODING时，无需在CURLOPT_HTTPHEADER中手动添加"accept-encoding: gzip"
      // cURL会自动添加支持的编码到Accept-Encoding请求头
      CURLOPT_HTTPHEADER => array(
          "accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
          "accept-language: id-ID,id;q=0.9,en-US;q=0.8,en;q=0.7",
          "cookie: csrf_cookie_name=9316014c9d7860019da66a78edfaf926; _data_pop=115-1_274-1; ci_session=607f0be4e56b8b08ee2398b892f115c9e660192e; _data_cpc=1-2_15-2_190-4",
          "referer: https://ptc4btc.com/",
          "user-agent: Mozilla/5.0 (Linux; Android 7.0; Moto C Plus) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.56 Mobile Safari/537.36",
          "upgrade-insecure-requests: 1"
      ),
      CURLOPT_SSL_VERIFYPEER => 0, // 生产环境建议设为1
      CURLOPT_SSL_VERIFYHOST => 2, // 生产环境建议设为1或2
  ));

$html_content = curl_exec($ch);

// 检查cURL执行是否成功
if ($html_content === false) {
    echo 'cURL Error (' . curl_errno($ch) . '): ' . curl_error($ch);
} else {
    echo $html_content; // 直接输出解压后的HTML
}

curl_close($ch);
?>