Don't return nested data from validator when failing an exclude rule (#33435)

Author: hackel

src/Illuminate/Validation/Validator.php

@@ -369,7 +369,8 @@ protected function shouldBeExcluded($attribute)
      */
     protected function removeAttribute($attribute)
     {
-        unset($this->data[$attribute], $this->rules[$attribute]);
+        Arr::forget($this->data, $attribute);
+        Arr::forget($this->rules, $attribute);
     }
 
     /**

tests/Validation/ValidationValidatorTest.php

@@ -5153,13 +5153,10 @@ public function providesPassingExcludeIfData()
                     'vehicles' => [
                         [
                             'type' => 'car', 'wheels' => [
-                                // The shape field for these blue wheels were correctly excluded (if they weren't, they would
-                                // fail the validation). They still appear in the validated data. This behaviour is unrelated
-                                // to the "exclude" type rules.
                                 ['color' => 'red', 'shape' => 'square'],
-                                ['color' => 'blue', 'shape' => 'hexagon'],
+                                ['color' => 'blue'],
                                 ['color' => 'red', 'shape' => 'round', 'junk' => 'no rule, still present'],
-                                ['color' => 'blue', 'shape' => 'triangle'],
+                                ['color' => 'blue'],
                             ],
                         ],
                         ['type' => 'boat'],