PHP function to anonymize HTTP GET requests using the Tor network

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Recovered from my old blog.

function torHttpGet($url, $ref) {  
  $torIPPort="127.0.0.1:8118"; //tor's ip and port  
  $agentBrowser = array('Firefox','Safari','Opera','Flock','Internet Explorer','Ephifany','AOL Explorer','Seamonkey','Konqueror','GoogleBot');  
  $agentOS = array('Windows 2000','Windows NT','Windows XP','Windows Vista','Redhat Linux','Ubuntu','Fedora','FreeBSD','OpenBSD','OS 10.5');    

  $useragent=$agentBrowser[rand(0,7)].'/'.rand(1,8).'.'.rand(0,9).' (' .$agentOS[rand(0,11)].' '.rand(1,7).'.'.rand(0,9).'; en-US;)';  
  $curl_obj = curl_init();  
  curl_setopt($curl_obj, CURLOPT_URL, $url);  curl_setopt($curl_obj, CURLOPT_REFERER, $ref);
  curl_setopt($curl_obj, CURLOPT_HEADER, TRUE);  curl_setopt($curl_obj, CURLOPT_HTTPGET, TRUE);
  curl_setopt($curl_obj, CURLOPT_SSL_VERIFYPEER, FALSE);  
  curl_setopt($curl_obj, CURLOPT_FOLLOWLOCATION, TRUE);
  curl_setopt($curl_obj, CURLOPT_MAXREDIRS, 3);  curl_setopt($curl_obj, CURLOPT_RETURNTRANSFER, TRUE);
  curl_setopt($curl_obj, CURLOPT_TIMEOUT, 10);  curl_setopt($curl_obj, CURLOPT_USERAGENT, $useragent);
  curl_setopt($curl_obj, CURLOPT_PROXY, $torIPPort);  curl_setopt($curl_obj, CURLOPT_CURLOPT_ERRORBUFFER, TRUE); //human readable errors
  $page   = curl_exec($curl_obj);
  $err = curl_error($curl_obj);
  curl_close($curl_obj);

  if(strlen($err) > 0) 
    return -1;
  else
    return $page;

}

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