Gazelle/sections/ajax/userhistory/index.php

<?

if ($_GET['type']) {
    switch ($_GET['type']) {
        case 'posts':
            // Load post history page
            include('post_history.php');
            break;
        default:
            print json_encode(
                    array('status' => 'failure')
                );
    }
}
else {
    print json_encode(
        array('status' => 'failure')
        );
}

?>