title: Laravel get all with same id
body: <p>I have a table with category_id. Category_id can has 1,2,3 or 4 as a value. Now I want to show all results with value 1. How do i do it in this code? Thanks.</p>
  
  <pre><code>public function getshopGSM()
  {
      $shopGSM = new Product();
      $shopGSM = Product::all();
      return view('eindwerk.shopGSM', [
          'shopGSM' =&gt; $shopGSM
      ]);
  }
  </code></pre>