генерация ссылки по ID товара - SEO

$config->product_search_fields = ...

$product_id =  ... ;
$tProduct = JTable::getInstance('Product','jshop');
$tProduct->load($product_id);
if ($tProduct->product_id) {
    $tProduct->getCategory();
    JFactory::getApplication()->redirect(SEFLink('index.php?option=com_jshopping&controller=product&task=view&category_id='.$tProduct->product_id.'&product_id='.$tProduct->category_id));
}

function isEmptyValue(value){
    
	regexp = /^([\d]*)-([\d]*)/g;
	str = value;
	var maches = regexp.exec(str);
	if(maches){
		var url = '/index.php?option=com_jshopping&controller=product&task=view&category_id='+maches[2]+'&product_id='+maches[1];
		window.location.href = url;
		alert("введен артикул");
		return false;
	}
	var pattern = /\S/;
	return ret = (pattern.test(value))? (true) : (false);
	
}

$_SERVER["HTTP_HOST"].'/index.php?' . http_build_query($_REQUEST);