PHP使用代理访问网站方法

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<?php

$requestUrl = 'phpxs.com';

$ch = curl_init();

$timeout = 5;

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, "112.23.451.72"); //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

$file_contents = curl_exec($ch);

curl_close($ch);

echo $file_contents;

?>