Eccube\Entity\Product::addProductCategory PHP Method

    public function addProductCategory(\Eccube\Entity\ProductCategory $productCategories)
    {
        $this->ProductCategories[] = $productCategories;
        return $this;
    }

 /**
  * {@inheritDoc}
  */
 public function addProductCategory(\Eccube\Entity\ProductCategory $productCategories)
 {
     $this->__initializer__ && $this->__initializer__->__invoke($this, 'addProductCategory', array($productCategories));
     return parent::addProductCategory($productCategories);
 }