Method __clone

/*
    public static function storeDiscountsById($productId, $discsArray) {

        if ((int)$productId > 0) {
            $db =Factory::getDBO();

            $query = ' DELETE '
                    .' FROM #__phocacart_product_discounts'
                    . ' WHERE product_id = '. (int)$productId;
            $db->setQuery($query);
            $db->execute();

            if (!empty($discsArray)) {
                $values 	= array();
                foreach($discsArray as $k => $v) {

                    // Don't store empty discounts
                    /*if ($v['title'] == '') {
                        continue;
                    }*/
/*

				if(empty($v['alias'])) {
					$v['alias'] = $v['title'];
				}
				$v['alias'] = PhocacartUtils::getAliasName($v['alias']);



				// correct simple xml
				if (empty($v['title'])) 			{$v['title'] 			= '';}
				if (empty($v['alias'])) 			{$v['alias'] 			= '';}
				if (empty($v['access'])) 			{$v['access'] 			= '';}
				if (empty($v['discount'])) 			{$v['discount'] 		= '';}
				if (empty($v['calculation_type'])) 	{$v['calculation_type'] = '';}
				if (empty($v['quantity_from'])) 	{$v['quantity_from'] 	= '';}
				if (empty($v['quantity_to'])) 		{$v['quantity_to'] 		= '';}
				if (empty($v['valid_from'])) 		{$v['valid_from'] 		= '';}
				if (empty($v['valid_to'])) 			{$v['valid_to'] 		= '';}

				if ($v['discount'] == '') {
					continue;
				}

				$values[] 	= '('.(int)$productId.', '.$db->quote($v['title']).', '.$db->quote($v['alias']).', '.(int)$v['access'].', '.$db->quote($v['discount']).', '.(int)$v['calculation_type'].', '.(int)$v['quantity_from'].', '.(int)$v['quantity_to'].', '.$db->quote($v['valid_from']).', '.$db->quote($v['valid_to']).', '.(int)$k.')';
			}

			if (!empty($values)) {
				$valuesString = implode(',', $values);
				$query = ' INSERT INTO #__phocacart_product_discounts (product_id, title, alias, access, discount, calculation_type, quantity_from, quantity_to, valid_from, valid_to, ordering)'
						.' VALUES '.(string)$valuesString;
				$db->setQuery($query);
				$db->execute();
			}
		}
	}
}
*/
public final function __clone()
{
    throw new Exception('Function Error: Cannot clone instance of Singleton pattern', 500);
    return false;
}