$url = 'http://domain.com';
$ref = 'referer';
$ch = curl_init();
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_HEADER,0);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch,CURLOPT_REFERER,$ref);
curl_setopt($ch,CURLOPT_PROXY,'74.115.1.12');
curl_setopt($ch,CURLOPT_PROXYPORT,'80');
curl_setopt($ch,CURLOPT_USERAGENT,"Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)");
$data = curl_exec($ch);
curl_close($ch);
echo htmlspecialchars($data);