[harmor19]

Wouldn't you use

PHP Code:

<?php

$user_entered_globals = array("test1", "test2", "test3");

if(!in_array($_GET['test'], $user_entered_globals))
{
   die("Error!");
}

function something()
{

global $user_entered_globals;

eval('$user_entered_globals');

}

?>

This code is untested