private function addProductZero(Basket $basket)
    {
        $zero = $this->products->zero();

        $basket->add($zero->sku, $zero->name, $zero->price);

        return $basket;
    }
private function addProductZero(Basket $basket)
    {
        $zero = $this->products->zero();

        $basket->add($zero->sku, $zero->name, $zero->price);

        return $basket;
    }
private function addProductZero ( Basket $ basket ) { $ zero = $ this -> products -> zero ( ) ; $ basket -> add ( $ zero -> sku , $ zero -> name , $ zero -> price ) ; return $ basket ; }
Add Product Zero

@param Basket $basket
@return Basket
Add Product Zero