Cart.php
public function clear($save = true): self
    {
        $this->items = [];
        $save && $this->storage->save($this);

        return $this;
    }
public function clear($save = true): self
    {
        $this->items = [];
        $save && $this->storage->save($this);

        return $this;
    }
Delete all items from the cart

@param bool $save

@return $this