PHP CURL 使用代理访问服务器

function curl_string ($url,$user_agent,$proxy){
$ch = curl_init();
curl_setopt ($ch, CURLOPT_PROXY, $proxy);
curl_setopt ($ch, CURLOPT_URL, $url);
curl_setopt ($ch, CURLOPT_USERAGENT, $user_agent);
curl_setopt ($ch, CURLOPT_COOKIEJAR, "c:\cookie.txt");
curl_setopt ($ch, CURLOPT_HEADER, 1);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt ($ch, CURLOPT_TIMEOUT, 120);
$result = curl_exec ($ch);
curl_close($ch);
return $result;
}
$url_page = "http://www.google.com";
$user_agent = "Mozilla/4.0";
$proxy = "http://192.11.222.124:8000";
$string = curl_string($url_page,$user_agent,$proxy);
echo $string;

上面的代码如果不好用 请用下面的代码

$proxy = "80.25.198.25";
$proxyport = "8080";
$ch = curl_init("http://sfbay.craigslist.org/");

curl_setopt($ch, curlOPT_RETURNTRANSFER,1);
curl_setopt($ch,curlOPT_proxy,$proxy);
curl_setopt($ch,curlOPT_proxyPORT,$proxyport);
curl_setopt ($ch, CURLOPT_TIMEOUT, 120);

$result = curl_exec($ch);
echo $result;
curl_close($ch);