public static function getStyles()
    {
        $styles = [];

        $iterator = new \DirectoryIterator(ForumEnv::get('WEB_ROOT').'themes/');
        foreach ($iterator as $child) {
            if (!$child->isDot() && $child->isDir() &&
                file_exists($child->getPathname().DIRECTORY_SEPARATOR.'style.css')) {
                // If the theme is well formed, add it to the list
                $styles[] = $child->getFileName();
            }
        }

        natcasesort($styles);
        return $styles;
    }