gistfile1.php

<?php 
//simple http proxy connection sample
$proxy = "proxy.example.com"; 
$port = 8080; 
$url = "https://example.com/"; 
$host = parse_url($url);
$fp = fsockopen("tcp://" . $proxy, $port); 
$request  = "GET $url HTTP/1.1\r\n";
$request .= "Host: {$host['host']}\r\n";
$request .= "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n";
$request .= "Accept-Language: ja,en-us;q=0.7,en;q=0.3\r\n";
$request .= "Accept-Encoding: gzip,deflate\r\n";
$request .= "Accept-Charset: Shift_JIS,utf-8;q=0.7,*;q=0.7\r\n";
$request .= "User-Agent: Your/User-Agent/1.0\r\n";
$request .= "Keep-Alive: 300\r\n";
$request .= "Proxy-Connection: keep-alive\r\n";
$request .= "\r\n";

fputs($fp, $request); 
while(!feof($fp)){ 
  $line = fgets($fp, 8192); 
  print($line); 
} 
fclose($fp);