我nignx 服务器 curl 地址https 报502错误是什么原因啊
代码
$curl = curl_init();
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_TIMEOUT, 500);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($curl, CURLOPT_URL, $url);
$error = curl_error($curl);
$res = curl_exec($curl);
curl_close($curl);
if ($error)
throw new \Exception('请求发生错误:' . $error);
return $res;