PHP AND NORMAL CODE

<?php
 $keys = array('key','key2','key3'); // change these to your keys. put in ' s. Seperate w/ commas (,)
 $sub = $_GET["key"];

 if (in_array($sub,$keys,TRUE)) {
   echo "authpass";
 } else {
   echo "authfail";
 }
?>
local keyGivenByUser = "key2"
local url = "https://example.com/auth.php?key=" .. keyGivenByUser

if game:HttpGet(url) == "authpass" then
 -- pass code here
else
 -- auth fail code here
end