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我有以下实体/类：

class Product
{

  /**
     * @Groups({"marketplace"}) 
     * @Accessor(getter="getShopRef")
     * @ORM\ManyToOne(targetEntity="App\MainBundle\Entity\Shop", inversedBy="products")
     * @ORM\JoinColumn(name="shop_id", referencedColumnName="id", onDelete="CASCADE" , nullable=false)
     */
    protected $shop;

     /**
     * Set shop
     *
     * @param Shopious\MainBundle\Entity\Shop $shop
     * @return Product
     */
     public function setShop(\Shopious\MainBundle\Entity\Shop $shop)
     {
        $this->shop = $shop;

        return $this;
     }

    /*
    * reference of shop
    */
    public function getShopRef()
    {
        return array(
            "id"=>$this->shop->getId(),
            "name" => $this->shop->getName(),
            "description" => $this->shop->getDescription(),
            "shoplogo" =>  $this->shop->getShoplogo(),
            "ref"=>"/shop/".$this->shop->getId(),
            "is_locked" => $this->shop->getIsLocked(),
            "like_count" => $this->shop->getOwner()->getLikeCount(),
            "followers_count" => count($this->shop->getOwner()->getFollowers()),
            "following_count" => count($this->shop->getOwner()->getFollowing()),
        );
    }
}

基本上上面的代码说的是当我要求商店时使用这个自定义吸气剂。

假设我有一个Product名为的对象$product，我想向 shopref 数组/字典添加一个名为“ recent_items”的新键。我该怎么做？到目前为止，我一直在尝试这样做：

$product->getShopRef()["recent_items"] = $userRecentItem;

但这不起作用。商店参考上没有设置任何内容。我希望通过这样做，将在 shop_ref 上设置“recent_items”。

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