[12.x] display previous exceptions

src/Illuminate/Foundation/Exceptions/Renderer/Exception.php

@@ -268,4 +268,35 @@ public function applicationQueries()
             ];
         }, $this->listener->queries());
     }
+
+    /**
+     * Get all previous exceptions.
+     *
+     * @return \Illuminate\Support\Collection<int, array{class: string, message: string, code: int|string}>
+     */
+    public function previousExceptions()
+    {
+        $previous = new Collection();
+        $exception = $this->exception;
+
+        while ($exception = $exception->getPrevious()) {
+            $previous->push([
+                'class' => $exception->getClass(),
+                'message' => $exception->getMessage(),
+                'code' => $exception->getCode(),
+            ]);
+        }
+
+        return $previous;
+    }
+
+    /**
+     * Determine if the exception has previous exceptions.
+     *
+     * @return bool
+     */
+    public function hasPreviousExceptions()
+    {
+        return $this->exception->getPrevious() !== null;
+    }
 }

src/Illuminate/Foundation/resources/exceptions/renderer/components/previous-exceptions.blade.php

@@ -0,0 +1,41 @@
+@props(['exception'])
+
+@if ($exception->hasPreviousExceptions())
+    <div class="flex flex-col gap-2.5 bg-neutral-50 dark:bg-white/1 border border-neutral-200 dark:border-neutral-800 rounded-xl p-2.5 shadow-xs">
+        <div class="flex items-center gap-2.5 p-2">
+            <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-white/5 rounded-md w-6 h-6 flex items-center justify-center p-1">
+                <x-laravel-exceptions-renderer::icons.alert class="w-2.5 h-2.5 text-amber-500 dark:text-amber-400" />
+            </div>
+            <h3 class="text-base font-semibold text-neutral-900 dark:text-white">Previous exceptions</h3>
+        </div>
+
+        <div class="flex flex-col gap-1.5">
+            @foreach ($exception->previousExceptions() as $index => $previousException)
+                <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-white/5 rounded-lg p-3 shadow-xs">
+                    <div class="flex flex-col gap-2">
+                        <div class="flex items-start gap-2">
+                            <x-laravel-exceptions-renderer::badge type="warning" class="flex-shrink-0">
+                                #{{ $index + 1 }}
+                            </x-laravel-exceptions-renderer::badge>
+                            <div class="flex flex-col gap-1 min-w-0 flex-1">
+                                <p class="text-sm font-semibold text-neutral-900 dark:text-white font-mono break-words">
+                                    {{ $previousException['class'] }}
+                                </p>
+                                @if ($previousException['message'])
+                                    <p class="text-sm text-neutral-600 dark:text-neutral-400 break-words">
+                                        {{ $previousException['message'] }}
+                                    </p>
+                                @endif
+                                @if ($previousException['code'])
+                                    <p class="text-xs text-neutral-500 dark:text-neutral-500 font-mono">
+                                        Code: {{ $previousException['code'] }}
+                                    </p>
+                                @endif
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            @endforeach
+        </div>
+    </div>
+@endif

src/Illuminate/Foundation/resources/exceptions/renderer/markdown.blade.php

@@ -11,6 +11,16 @@
 {{ $index }} - {{ $frame->file() }}:{{ $frame->line() }}
 @endforeach
 
+## Previous Exceptions
+
+@forelse ($exception->previousExceptions() as $index => $previousException)
+{{ $index + 1 }}. **{{ $previousException['class'] }}**@if($previousException['code']) (Code: {{ $previousException['code'] }})@endif
+
+{!! $previousException['message'] !!}
+@empty
+No previous exceptions.
+@endforelse
+
 ## Request
 
 {{ $exception->request()->method() }} {{ \Illuminate\Support\Str::start($exception->request()->path(), '/') }}

src/Illuminate/Foundation/resources/exceptions/renderer/show.blade.php

@@ -14,6 +14,8 @@
     <x-laravel-exceptions-renderer::section-container class="flex flex-col gap-8 pt-14">
         <x-laravel-exceptions-renderer::trace :$exception />
 
+        <x-laravel-exceptions-renderer::previous-exceptions :$exception />
+
         <x-laravel-exceptions-renderer::query :queries="$exception->applicationQueries()" />
     </x-laravel-exceptions-renderer::section-container>
 

tests/Integration/Foundation/Exceptions/RendererTest.php

@@ -17,6 +17,17 @@ class RendererTest extends TestCase
     protected function defineRoutes($router)
     {
         $router->get('failed', fn () => throw new RuntimeException('Bad route!'));
+        $router->get('failed-with-previous', function () {
+            try {
+                try {
+                    throw new RuntimeException('First exception');
+                } catch (RuntimeException $e) {
+                    throw new RuntimeException('Second exception', 0, $e);
+                }
+            } catch (RuntimeException $e) {
+                throw new RuntimeException('Third exception', 0, $e);
+            }
+        });
     }
 
     #[WithConfig('app.debug', true)]
@@ -139,4 +150,18 @@ public function testItRegistersListenersWhenRendererNotBound()
         $provider = $this->app->getProvider(FoundationServiceProvider::class);
         $provider->boot();
     }
+
+    #[WithConfig('app.debug', true)]
+    public function testItCanRenderPreviousExceptions()
+    {
+        $this->assertTrue($this->app->bound(Renderer::class));
+
+        $this->get('/failed-with-previous')
+            ->assertInternalServerError()
+            ->assertSee('RuntimeException')
+            ->assertSee('Third exception')
+            ->assertSee('Previous exceptions')
+            ->assertSee('Second exception')
+            ->assertSee('First exception');
+    }
 }