Import statements and update configuration.

app/Exceptions/BadHttpHeaderException.php

@@ -24,7 +24,9 @@ declare(strict_types=1);
 
 namespace FireflyIII\Exceptions;
 
-class BadHttpHeaderException extends \Exception
+use Exception;
+
+class BadHttpHeaderException extends Exception
 {
     public int $statusCode = 406;
 }

app/Exceptions/DuplicateTransactionException.php

@@ -24,7 +24,9 @@ declare(strict_types=1);
 
 namespace FireflyIII\Exceptions;
 
+use Exception;
+
 /**
  * Class DuplicateTransactionException
  */
-class DuplicateTransactionException extends \Exception {}
+class DuplicateTransactionException extends Exception {}

app/Exceptions/FireflyException.php

@@ -24,7 +24,9 @@ declare(strict_types=1);
 
 namespace FireflyIII\Exceptions;
 
+use Exception;
+
 /**
  * Class FireflyException.
  */
-class FireflyException extends \Exception {}
+class FireflyException extends Exception {}

app/Exceptions/GracefulNotFoundHandler.php

@@ -34,6 +34,8 @@ use FireflyIII\User;
 use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
 use Illuminate\Http\Request;
 use Symfony\Component\HttpFoundation\Response;
+use Override;
+use Throwable;
 
 /**
  * Class GracefulNotFoundHandler
@@ -45,12 +47,12 @@ class GracefulNotFoundHandler extends ExceptionHandler
      *
      * @param Request $request
      *
-     * @throws \Throwable
+     * @throws Throwable
      *
      * @SuppressWarnings("PHPMD.CyclomaticComplexity")
      */
-    #[\Override]
-    public function render($request, \Throwable $e): Response
+    #[Override]
+    public function render($request, Throwable $e): Response
     {
         $route = $request->route();
         if (null === $route) {
@@ -149,9 +151,9 @@ class GracefulNotFoundHandler extends ExceptionHandler
     }
 
     /**
-     * @throws \Throwable
+     * @throws Throwable
      */
-    private function handleAccount(Request $request, \Throwable $exception): Response
+    private function handleAccount(Request $request, Throwable $exception): Response
     {
         app('log')->debug('404 page is probably a deleted account. Redirect to overview of account types.');
 
@@ -184,9 +186,9 @@ class GracefulNotFoundHandler extends ExceptionHandler
     /**
      * @return Response
      *
-     * @throws \Throwable
+     * @throws Throwable
      */
-    private function handleGroup(Request $request, \Throwable $exception)
+    private function handleGroup(Request $request, Throwable $exception)
     {
         app('log')->debug('404 page is probably a deleted group. Redirect to overview of group types.');
 
@@ -224,9 +226,9 @@ class GracefulNotFoundHandler extends ExceptionHandler
     /**
      * @return Response
      *
-     * @throws \Throwable
+     * @throws Throwable
      */
-    private function handleAttachment(Request $request, \Throwable $exception)
+    private function handleAttachment(Request $request, Throwable $exception)
     {
         app('log')->debug('404 page is probably a deleted attachment. Redirect to parent object.');
 

app/Exceptions/Handler.php

@@ -44,6 +44,9 @@ use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
 use Symfony\Component\HttpKernel\Exception\HttpException;
 use Symfony\Component\HttpKernel\Exception\MethodNotAllowedHttpException;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use ErrorException;
+use Override;
+use Throwable;
 
 // temp
 /**
@@ -52,7 +55,7 @@ use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 class Handler extends ExceptionHandler
 {
     /**
-     * @var array<int, class-string<\Throwable>>
+     * @var array<int, class-string<Throwable>>
      */
     protected $dontReport
         = [
@@ -70,7 +73,7 @@ class Handler extends ExceptionHandler
     /**
      * Register the exception handling callbacks for the application.
      */
-    #[\Override]
+    #[Override]
     public function register(): void {}
 
     /**
@@ -79,13 +82,13 @@ class Handler extends ExceptionHandler
      *
      * @param Request $request
      *
-     * @throws \Throwable
+     * @throws Throwable
      *
      * @SuppressWarnings("PHPMD.NPathComplexity")
      * @SuppressWarnings("PHPMD.CyclomaticComplexity")
      */
-    #[\Override]
-    public function render($request, \Throwable $e): Response
+    #[Override]
+    public function render($request, Throwable $e): Response
     {
         $expectsJson = $request->expectsJson();
 
@@ -188,7 +191,7 @@ class Handler extends ExceptionHandler
             return response()->view('errors.DatabaseException', ['exception' => $e, 'debug' => $isDebug], 500);
         }
 
-        if ($e instanceof FireflyException || $e instanceof \ErrorException || $e instanceof OAuthServerException) {
+        if ($e instanceof FireflyException || $e instanceof ErrorException || $e instanceof OAuthServerException) {
             app('log')->debug('Return Firefly III error view.');
             $isDebug = config('app.debug');
 
@@ -203,10 +206,10 @@ class Handler extends ExceptionHandler
     /**
      * Report or log an exception.
      *
-     * @throws \Throwable
+     * @throws Throwable
      */
-    #[\Override]
-    public function report(\Throwable $e): void
+    #[Override]
+    public function report(Throwable $e): void
     {
         $doMailError = (bool) config('firefly.send_error_message');
         if ($this->shouldntReportLocal($e) || !$doMailError) {
@@ -250,7 +253,7 @@ class Handler extends ExceptionHandler
         parent::report($e);
     }
 
-    private function shouldntReportLocal(\Throwable $e): bool
+    private function shouldntReportLocal(Throwable $e): bool
     {
         return null !== Arr::first(
             $this->dontReport,
@@ -263,7 +266,7 @@ class Handler extends ExceptionHandler
      *
      * @param Request $request
      */
-    #[\Override]
+    #[Override]
     protected function invalid($request, LaravelValidationException $exception): \Illuminate\Http\Response|JsonResponse|RedirectResponse
     {
         // protect against open redirect when submitting invalid forms.

app/Exceptions/IntervalException.php

@@ -25,11 +25,13 @@ declare(strict_types=1);
 namespace FireflyIII\Exceptions;
 
 use FireflyIII\Support\Calendar\Periodicity;
+use Exception;
+use Throwable;
 
 /**
  * Class IntervalException
  */
-final class IntervalException extends \Exception
+final class IntervalException extends Exception
 {
     public array       $availableIntervals;
     public Periodicity $periodicity;
@@ -37,7 +39,7 @@ final class IntervalException extends \Exception
     /** @var mixed */
     protected $message = 'The periodicity %s is unknown. Choose one of available periodicity: %s';
 
-    public function __construct(string $message = '', int $code = 0, ?\Throwable $previous = null)
+    public function __construct(string $message = '', int $code = 0, ?Throwable $previous = null)
     {
         parent::__construct($message, $code, $previous);
         $this->availableIntervals = [];
@@ -48,7 +50,7 @@ final class IntervalException extends \Exception
         Periodicity $periodicity,
         array       $intervals,
         int         $code = 0,
-        ?\Throwable $previous = null
+        ?Throwable $previous = null
     ): self {
         $message                       = sprintf(
             'The periodicity %s is unknown. Choose one of available periodicity: %s',

app/Exceptions/NotImplementedException.php

@@ -24,7 +24,9 @@ declare(strict_types=1);
 
 namespace FireflyIII\Exceptions;
 
+use Exception;
+
 /**
  * Class NotImplementedException.
  */
-class NotImplementedException extends \Exception {}
+class NotImplementedException extends Exception {}

app/Exceptions/ValidationException.php

@@ -24,7 +24,9 @@ declare(strict_types=1);
 
 namespace FireflyIII\Exceptions;
 
+use Exception;
+
 /**
  * Class ValidationExceptions.
  */
-class ValidationException extends \Exception {}
+class ValidationException extends Exception {}