<form action="/review" method="post">
  <input name="_token" type="hidden" value="{{ csrf_token() }}"/>
  <input name="user_id" type="hidden" value="2"/>
  <input name="content" type="hidden" value="Lorem ipsum dolor sit amet, consectetur adipisicing elit. Perferendis, porro."/>
  <input name="rate" type="hidden" value="4"/>
  <input type="submit" value="Save"/>
</form>