isCsrfTokenValid() replace string by ?string

Author: Gaylord Poillon

Controller/ControllerTrait.php

@@ -370,12 +370,12 @@ protected function getUser()
     /**
      * Checks the validity of a CSRF token.
      *
-     * @param string $id    The id used when generating the token
-     * @param string $token The actual token sent with the request that should be validated
+     * @param string      $id    The id used when generating the token
+     * @param string|null $token The actual token sent with the request that should be validated
      *
      * @final since version 3.4
      */
-    protected function isCsrfTokenValid(string $id, string $token): bool
+    protected function isCsrfTokenValid(string $id, ?string $token): bool
     {
         if (!$this->container->has('security.csrf.token_manager')) {
             throw new \LogicException('CSRF protection is not enabled in your application. Enable it with the "csrf_protection" key in "config/packages/framework.yaml".');