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Snippet : Detect TOR in PHP

in , , - By - on 9/09/2013 - 4 comments
This snippet helps you to detect TOR network connection in PHP

<?php
function Check() {
  $reverse_client_ip = implode('.', array_reverse(explode('.', $_SERVER['REMOTE_ADDR'])));
  $reverse_server_ip = implode('.', array_reverse(explode('.', $_SERVER['SERVER_ADDR'])));
  $hostname = $reverse_client_ip . "." . $_SERVER['SERVER_PORT'] . "." . $reverse_server_ip . ".ip-port.exitlist.torproject.org";
  return gethostbyname($hostname) == "127.0.0.2";
} 

echo Check() ? "Yep" : "Nope";

?>

Credits : Johan Adriaans
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