Ansel_Api::galleryExists PHP Method

    public function galleryExists($gallery_id, $slug = '', $app = null)
    {
        if (!is_null($app)) {
            $GLOBALS['injector']->getInstance('Ansel_Config')->set('scope', $app);
        }
        return $GLOBALS['injector']->getInstance('Ansel_Storage')->galleryExists($gallery_id, $slug);
    }