Ansel_Ajax_Application_Handler::checkSlug PHP Метод

    public function checkSlug()
    {
        $slug = $this->vars->slug;
        if (!strlen($slug)) {
            return true;
        }
        return preg_match('/^[a-zA-Z0-9_-]*$/', $slug) ? (bool) $GLOBALS['injector']->getInstance('Ansel_Storage')->galleryExists(null, $slug) : false;
    }