[11.x] Fix crash of method PreventsCircularRecursion::withoutRecursio…

…n() on mocked models (#52943)

* fix: verify that onceable return is not null before accessing attribute

* chore: fix code style

src/Illuminate/Database/Eloquent/Concerns/PreventsCircularRecursion.php

@@ -28,6 +28,10 @@ protected function withoutRecursion($callback, $default = null)
 
         $onceable = Onceable::tryFromTrace($trace, $callback);
 
+        if (is_null($onceable)) {
+            return call_user_func($callback);
+        }
+
         $stack = static::getRecursiveCallStack($this);
 
         if (array_key_exists($onceable->hash, $stack)) {

tests/Database/DatabaseConcernsPreventsCircularRecursionTest.php

@@ -3,6 +3,7 @@
 namespace Illuminate\Tests\Database;
 
 use Illuminate\Database\Eloquent\Concerns\PreventsCircularRecursion;
+use Mockery;
 use PHPUnit\Framework\TestCase;
 
 class DatabaseConcernsPreventsCircularRecursionTest extends TestCase
@@ -172,6 +173,18 @@ public function testRecursiveCallsToCircularLinkedListCallsEachInstanceOnce()
         $this->assertEquals(3, $second->instanceStack);
         $this->assertEquals(3, $third->instanceStack);
     }
+
+    public function testMockedModelCallToWithoutRecursionMethodWorks(): void
+    {
+        $mock = Mockery::mock(TestModel::class)->makePartial();
+
+        // Model toArray method implementation
+        $toArray = $mock->withoutRecursion(
+            fn () => array_merge($mock->attributesToArray(), $mock->relationsToArray()),
+            fn () => $mock->attributesToArray(),
+        );
+        $this->assertEquals([], $toArray);
+    }
 }
 
 class PreventsCircularRecursionWithRecursiveMethod