UHits - PHP proxy hits generator

<?php
//Let's make sure no warrnings, in case there are some, are displayed by PHP
error_reporting(0);
// Specify url that shoud receive hits
// make sure to include trailing slash "/" at the end of folders
$url_1 = "http://www.yourdomain.com/";

// Specify your server and port
$myserver = "yourdomain.com:80";

// Specify how many hits to receive every time the script is run
// Selecting more then 5 may not work
$randnr = 2;

// If you are manually updateing proxy list change the variable below from date('Y-m-d')
// to a date you entered in the update.txt file using the same format (i.e. 2005-12-01).
$today = date('Y-m-d');

/* Since we are using outside address to get proxies, the script works faster if we download the proxy list and write it to the proxy.txt file once a day and then use proxies from the local proxy.txt file */

/* so let's check if the proxy list has been updated today, and if it wasn't we will open proxy list website and write the proxies to the proxy.txt file */

//read update.txt
$lines = file("update.txt");
if(trim($lines[0]) == $today){

//see if it was updated today
 $proxies = file("proxy.txt");
}else{
//open proxy list website
 $proxies = file('http://www.steganos.com/?area=updateproxylist');
 $size = count($proxies);
 $openfile = fopen("proxy.txt","w+");
//write proxies to the file 
  for($x=0;$x<$size;$x++){
    $line =trim($proxies[$x]);
    fwrite($openfile, $line);
     if($x!=$size-1){
      fwrite($openfile, "rn");
     }
  }
 fclose($openfile);
//update the proxy date in update.txt
 $openfile = fopen("update.txt","w+");
 fwrite($openfile, $today);
 fclose($openfile);
}
//now we will get a random proxy address from the proxies.txt file
 $getrand = array_rand($proxies, $randnr);
 for($x=0;$x<$randnr; $x++){  
//setting time limit to zero will ensure the script doesn't get timed out
 set_time_limit(0);
//now we will separate proxy address from the port
  $PROXY_URL=$proxies[$getrand[$x]];
     $proxyarr = explode(":", $PROXY_URL);
     $address = trim($proxyarr[0]);
     $port = trim($proxyarr[1]);
//following code generates the header file
  $headerinfo =array(
    'User-Agent' => 'UHits/1.0 (BeWebmaster.com)',
    'Accept' => 'image/gif, image/x-xbitmap, image/jpeg, image/png, */*',
    'Pragma' => 'no-cache',
    'Connection' => 'keep-alive');
  reset($headerinfo);
//now we are ready to reach our website through the proxy
  $fp=fsockopen($address,$port);
    if($fp) {
      fputs($fp,"GET $url_1 HTTP/1.1rn");
      fputs($fp,"Host: $myserverrn");
      reset($headerinfo);
       while(list($header,$value)=each($headerinfo)) {
         fputs($fp,"$header: $valuern");
         //let's give the script some time to execute
         sleep(2);  
       } //end while
      fputs($fp,"rn");
      fclose($fp);
    } //end if 
 } //end for
?>