<?php
    if ( is_user_logged_in() ) { } else {
    $safePages = array("/login/", "/register/");
    $url = $_SERVER["REQUEST_URI"];
    if ( in_array( $url, $safePages ) ) { } else { ?>

    <script type="text/javascript">
    <!--
    window.location = "http://www.demo1.diaboliquedesign.com/5/login/"
    //-->
    </script>

    <?php } } ?>