Mage2\Catalog\Controllers\Admin\ProductController::edit PHP Method

    public function edit($id)
    {
        $product = Product::findorfail($id);
        $categories = $this->categoryHelper->getCategoryOptions();
        $websites = Website::pluck('name', 'id');
        $productAttributes = ProductAttribute::all();
        return view('admin.catalog.product.edit')->with('product', $product)->with('websites', $websites)->with('categories', $categories)->with('productAttributes', $productAttributes);
    }