PHP: Curl_exec 没有正确返回结果

PHP: Curl_exec not returning result properly

我正在尝试使用以下代码下载网页:

function request($url){
    $curl_timeout = 5;
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, $curl_timeout);
    curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13');
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
    $res = curl_exec($curl);
    curl_close($curl);
    return $res;
}
echo request('http://www.tsetmc.com/Loader.aspx?ParTree=15');

此代码打印如下内容:
�"X��}koǵ�� ����n2��٬����'�º׈���1$[��#��H���������RQ,+���k��

我做错了什么?

只需将其添加到您的 curl 实例中即可。 curl_setopt($curl, CURLOPT_ENCODING , "gzip");

你应该没问题,请在此处阅读更多内容 (http://php.net/manual/en/function.curl-setopt.php)