Redirection e.e

<?php
    if (!empty($_SERVER['HTTPS']) && ('on' == $_SERVER['HTTPS'])) {
        $uri = 'https://'; / what?
    } else {
        $uri = 'http://'; / what?
    }
    $uri .= $_SERVER['HTTP_HOST'];
    header('Location: 'http://you_stuff/url.php'); // stick your url here
    exit;
?>