<?php


class Proxy {
  function GetPage() {
    $ch = curl_init("http://www.proxy4free.com/page1.html");
    $fp = fopen("unparsed_proxies.txt", "w");
    curl_setopt($ch, CURLOPT_FILE, $fp);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_exec($ch);
    curl_close($ch);
    fclose($fp);
	}

  function ParseFile() {
    if (file_exists("proxies.txt")){
      unlink("proxies.txt");
    }
    $line_num = 0;
    $data = file("unparsed_proxies.txt");
    foreach ($data as $value) {
      $line_num ++;
      if (preg_match("/proxy_text/i", $value)) {
      $ipline = $data[$line_num];
      $ipline = str_replace("<td>", "", $ipline);
      $ipline = str_replace(" ", "", $ipline);
      $ip = str_replace("</td>\n", "", $ipline);
      $portline = $data[$line_num+1];
      $portline = str_replace("<td>", "", $portline);
      $portline = str_replace(" ", "", $portline);
      $port = str_replace("</td>", "", $portline);
      $file = fopen('proxies.txt', 'a');
      $text="$ip:$port";
      if (preg_match("/copyright/i", $text)) {
      $text = "";
      }
      fwrite($file, $text);
      fclose($file);
      }
    }
    if (file_exists("unparsed_proxies.txt")){
      unlink("unparsed_proxies.txt");
    }
  }

  function RandomProxy() {
    $data = file("proxies.txt");
    $linescount = count($data);
    $randomline = rand(0, $linescount);
    $randproxy = $data[$randomline];
    $new_string=urlencode ($randproxy);
    $new_string=ereg_replace("%0D", " ", $new_string);
    $new_string=ereg_replace("%0A", " ", $new_string);
    $new_string=urldecode  ($new_string);

    return $new_string;
  }
}

?>