Compass::getFilesArray PHP Method

    public static function getFilesArray($root)
    {
        $alias = array();
        $directories = array();
        $last_letter = $root[strlen($root) - 1];
        $root = $last_letter == '\\' || $last_letter == '/' ? $root : $root . DIRECTORY_SEPARATOR;
        $directories[] = $root;
        while (sizeof($directories)) {
            $dir = array_pop($directories);
            if ($handle = opendir($dir)) {
                while (false !== ($file = readdir($handle))) {
                    if ($file == '.' || $file == '..' || substr($file, 0, 1) == '.') {
                        continue;
                    }
                    $file = $dir . $file;
                    if (is_dir($file)) {
                        $directory_path = $file . DIRECTORY_SEPARATOR;
                        array_push($directories, $directory_path);
                    } elseif (is_file($file)) {
                        $key = basename($file);
                        $alias[substr($key, 1, strpos($key, '.') - 1)] = $file;
                    }
                }
                closedir($handle);
            }
        }
        return $alias;
    }