Using ua-parser-php for a redirect script

redirect.php

<?php

    // require the ua-parser-php library
    require_once("/path/to/UAParser.php");

    // parse the requesting user agent
    $result = UA::parse();

    // redirect phones, to redirect tablets use isMobileDevice
    if ($result->isMobile) {
        header("location:http://dmolsen.com");
    }

    // run through the rest of your code for the page for desktop devices & spiders

?>