public static function getAllKeyValue()
 {
     $categories = [];
     foreach (Category::getAll() as $item) {
         $categories[$item->id] = $item->name;
     }
     return $categories;
 }
 /**
  * @Route("/admin/category", name="admin.category")
  */
 public function indexAction(Request $req)
 {
     $category = new Category();
     $form = $this->createFormBuilder($category)->add('name', 'text', [])->getForm();
     $form_clean = clone $form;
     $form->handleRequest($req);
     if ($req->isMethod('POST') && $form->isValid()) {
         $category->save();
         // Clear the form
         $form = $form_clean;
     }
     return $this->render('admin/category/index.html.twig', ['categories' => Category::getAll(), 'form' => $form->createView()]);
 }