Code clean up.

app/Http/Controllers/Auth/TwoFactorController.php

@@ -18,7 +18,6 @@
  * You should have received a copy of the GNU General Public License
  * along with Firefly III.  If not, see <http://www.gnu.org/licenses/>.
  */
-
 declare(strict_types=1);
 
 namespace FireflyIII\Http\Controllers\Auth;
@@ -32,17 +31,15 @@ use Log;
 use Preferences;
 
 /**
- * Class TwoFactorController
- *
- * @package FireflyIII\Http\Controllers\Auth
+ * Class TwoFactorController.
  */
 class TwoFactorController extends Controller
 {
-
     /**
      * @param Request $request
      *
      * @return \Illuminate\Contracts\View\Factory|\Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector|\Illuminate\View\View
+     *
      * @throws FireflyException
      *
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
@@ -53,16 +50,16 @@ class TwoFactorController extends Controller
 
         // to make sure the validator in the next step gets the secret, we push it in session
         $secretPreference = Preferences::get('twoFactorAuthSecret', null);
-        $secret           = is_null($secretPreference) ? null : $secretPreference->data;
+        $secret           = null === $secretPreference ? null : $secretPreference->data;
         $title            = strval(trans('firefly.two_factor_title'));
 
         // make sure the user has two factor configured:
         $has2FA = Preferences::get('twoFactorAuthEnabled', false)->data;
-        if (is_null($has2FA) || $has2FA === false) {
+        if (null === $has2FA || false === $has2FA) {
             return redirect(route('index'));
         }
 
-        if (strlen(strval($secret)) === 0) {
+        if (0 === strlen(strval($secret))) {
             throw new FireflyException('Your two factor authentication secret is empty, which it cannot be at this point. Please check the log files.');
         }
         $request->session()->flash('two-factor-secret', $secret);
@@ -72,6 +69,7 @@ class TwoFactorController extends Controller
 
     /**
      * @return mixed
+     *
      * @throws FireflyException
      */
     public function lostTwoFactor()
@@ -95,7 +93,6 @@ class TwoFactorController extends Controller
      *
      * @return mixed
      * @SuppressWarnings(PHPMD.UnusedFormalParameter) // it's unused but the class does some validation.
-     *
      */
     public function postIndex(TokenFormRequest $request, CookieJar $cookieJar)
     {