phpDolphin module bootstrap

<?php
function PageMain() {
    global $TMPL, $LNG, $CONF, $db, $loggedIn, $settings;

    if(isset($_SESSION['username']) && isset($_SESSION['password']) || isset($_COOKIE['username']) && isset($_COOKIE['password'])) {
        $verify = $loggedIn->verify();

        if(empty($verify['username'])) {
            // If fake cookies are set, or they are set wrong, delete everything and redirect to home-page
            $loggedIn->logOut();
            header("Location: ".$CONF['url']."/index.php?a=welcome");
        } else {
            // main page content --------------------
            echo 'oi';
            exit;
        }
    } else {
        // If the session or cookies are not set, redirect to home-page
        header("Location: ".$CONF['url']."/index.php?a=welcome");
    }

    $TMPL['url'] = $CONF['url'];
    $TMPL['title'] = $LNG['MODULE_NAME_HERE'].' - '.$settings['title'];

    $skin = new skin('shared/timeline TEMPLATE HERE');
    return $skin->make();
}