alex

    // This gives us the opportunity to specify things like extra header
    // information and page title and all that
    $extra_head = 'heads'.$slash.$subdir.basename($safepage);
    $js = 'js/'.$subdir.basename($safepage, '.php').'.js';
    $css = 'css/'.$subdir.basename($safepage, '.php').'.css';

    /*
     * If we cannot find an individual controller files, search for controller files
     *  that will blanket the entire directory. Failing upwards.
     * For example:
     *  heads/phpdoc.php would apply to both intranet/phpdoc/all
     *  and intranet/phpdoc/framework/index or any other file in intranet/phpdoc/
     *
     * If no directory files are found check for a prepend controller files.
     * For example:
     *  heads/cpu.php will apply to both /pages/cpu.php and /pages/cup_trucks.php
     */

    $extControl = array(
        $extra_head     => array('heads', '.php'),
        $js             => array('js', '.js'),
        $css            => array('css', '.css')
    );

    $prepend = explode('_', basename($safepage, '.php'));
    $dirstack = array_reverse(explode('/', $subdir));
    unset($dirstack[0]);
    array_push($dirstack, $basedir);

    foreach ($extControl as $k => $v) {
        $file = $k;
        $extDir = $v[0];
        $fileExt = $v[1];
        $controller = $basedir . $slash . $subdir;

        foreach ($dirstack as $dir) {
            $controller = substr($controller, 0, -1);
            if (!file_exists($file) && file_exists($extDir . $slash . $controller . $fileExt)) {
                switch ($extDir) {
                    case 'heads':
                        $extra_head = $extDir . $slash . $controller . $fileExt;
                        break;
                    case 'js':
                        $js = $extDir . $slash . $controller . $fileExt;
                        break;
                    case 'css':
                        $css = $extDir . $slash . $controller . $fileExt;
                        break;
                }
            }
            $controller = substr($controller, 0, (strlen($controller) - (strlen($dir))));
        }

        if (!file_exists($file) && file_exists($extDir . $slash . $prepend[0] . $fileExt)) {
            switch ($extDir) {
                case 'heads':
                    $extra_head = $extDir . $slash . $prepend[0] . $fileExt;
                    break;
                case 'js':
                    $js = $extDir . $slash . $prepend[0] . $fileExt;
                    break;
                case 'css':
                    $css = $extDir . $slash . $prepend[0] . $fileExt;
                    break;
            }
        }
    }

    if (file_exists($extra_head)) {
        include($extra_head);
    }