php 代理服务器浏览网页

此样例同时支持访问http和https网页
curl不是php原生库，需要安装才能使用:
Ubuntu/Debian系统：apt-get install php5-curl
CentOS系统：yum install php-curl

<?php
//要访问的目标页面
$page_url = "http://www.cha128.com/";

//API接口, format=json
$api_url = "https://dps.kdlapi.com/api/getdps/?orderid=927441114016541&num=10&pt=1&format=json&sep=1";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $api_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$output=curl_exec($ch); //string
// 随机使用一个ip
$result = (array)json_decode($output);
$ip_list = ((array)$result["data"])["proxy_list"];

$proxy = $ip_list[rand(0, count($ip_list))];

//用户名和密码(私密代理/独享代理)
$username = "username";
$password = "password";

//$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $page_url);

//发送post请求
//$requestData["post"] = "send post request";
//curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($requestData));

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);

//设置代理
curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
curl_setopt($ch, CURLOPT_PROXY, $proxy);
//设置代理用户名密码（私密代理/独享代理）
//如果是开放代理，请注释掉下面两句
curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_BASIC);
curl_setopt($ch, CURLOPT_PROXYUSERPWD, "{$username}:{$password}");

//自定义header
$headers = array();
$headers["user-agent"] = 'User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0);';
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

//自定义cookie
curl_setopt($ch, CURLOPT_COOKIE,'');

curl_setopt($ch, CURLOPT_ENCODING, 'gzip'); //使用gzip压缩传输数据让访问更快

curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);

curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$result = curl_exec($ch);
$info = curl_getinfo($ch);
curl_close($ch);

echo $result;
echo "\n\nfetch ".$info['url']."\ntimeuse: ".$info['total_time']."s\n\n";
?>

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