curl_setopt ($ch, CURLOPT_URL, $requestUrl);
  
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
  
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
  
curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_BASIC); //代理认证模式
  
curl_setopt($ch, CURLOPT_PROXY, "127.0.0.1"); //代理服务器地址
  
curl_setopt($ch, CURLOPT_PROXYPORT, 80); //代理服务器端口
  
//curl_setopt($ch, CURLOPT_PROXYUSERPWD, ":"); //http代理认证帐号,名称:pwd的格式
  
curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP); //使用http代理模式

http默认端口为:80/tcp

HTTPS服务器,默认的端口号为443/tcp 443/udp;

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