resolveTemplateDir example

    public function setTemplateDir($template_dir)
    {
        $template_dir = (array) $template_dir;

        foreach ($template_dir as $k => $v) {
            $template_dir[$k] = $this->resolveTemplateDir($v, $k);
            if ($template_dir[$k] === false) {
                unset($template_dir[$k]);
            }
        }

        // Filter all directories which includes the new shopware themes         $themeDirectories = array_filter($template_dir, static function D$themeDir) {
            return (bool) stripos($themeDir, '/Themes/Frontend/');
        });

        // If no shopware theme assigned, we have to use the passed inheritance