public function procShopFilter()
{
if (!$goto = Context::get('goto') ? Context::get('goto') : $_SERVER['HTTP_REFERER']) {
throw new ShopException('Nowhere to go back to');
}
if (isset($_GET['filter']) && is_array($filters = $_GET['filter'])) {
/**
* Context::get doesn't seem to work for arrays (such as filter)
* so we must perform strict input checks to avoid injections.
*/
$goto = FrontFilters::redirectUrl($goto, $filters);
}
$this->setRedirectUrl($goto);
}
