PHP breadcrumbs

breadcrumb

function breadcrumbs($separator = ' » ', $home = 'Home') {
    $path = array_filter(explode('/', parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH)));
    $base = ($_SERVER['HTTPS'] ? 'https' : 'http') . '://' . $_SERVER['HTTP_HOST'] . '/';
    $breadcrumbs = Array("<a href=\"$base\">$home</a>");
    foreach ($path AS $x => $crumb) {
        $title = ucwords(str_replace(Array('.php', '_', '-'), Array('', ' ', ' '), $crumb));
        $breadcrumbs[] = "<a href=\"$base$crumb\">$title</a>";  
        $base = $base.$crumb.'/';
    }
    return implode($separator, $breadcrumbs);
}