[10.x] Fix validation of attributes that depend on previous excluded attribute (#48122)

* fix validation of attributes that depend on others with exclude rule applied

* fixed style

* Validator's passes methods fixed;

* tests added for passes method;

* Apply fixes from StyleCI;

* rename the test;

* formatting

---------

Co-authored-by: Philip Iezzi <[email protected]>
Co-authored-by: Taylor Otwell <[email protected]>

Author: 3 people

src/Illuminate/Validation/Validator.php

@@ -437,8 +437,6 @@ public function passes()
                 $this->validateAttribute($attribute, $rule);
 
                 if ($this->shouldBeExcluded($attribute)) {
-                    $this->removeAttribute($attribute);
-
                     break;
                 }
 
@@ -448,6 +446,12 @@ public function passes()
             }
         }
 
+        foreach ($this->rules as $attribute => $rules) {
+            if ($this->shouldBeExcluded($attribute)) {
+                $this->removeAttribute($attribute);
+            }
+        }
+
         // Here we will spin through all of the "after" hooks on this validator and
         // fire them off. This gives the callbacks a chance to perform all kinds
         // of other validation that needs to get wrapped up in this operation.

tests/Validation/ValidationValidatorTest.php

@@ -8257,6 +8257,39 @@ public function testExclude($rules, $data, $expectedValidatedData)
         $this->assertSame($expectedValidatedData, $validator->validated());
     }
 
+    public function testExcludeBeforeADependentRule()
+    {
+        $validator = new Validator(
+            $this->getIlluminateArrayTranslator(),
+            [
+                'profile_id' => null,
+                'type'       => 'denied',
+            ],
+            [
+                'type'       => ['required', 'string', 'exclude'],
+                'profile_id' => ['nullable', 'required_if:type,profile', 'integer'],
+            ],
+        );
+
+        $this->assertTrue($validator->passes());
+        $this->assertSame(['profile_id' => null], $validator->validated());
+
+        $validator = new Validator(
+            $this->getIlluminateArrayTranslator(),
+            [
+                'profile_id' => null,
+                'type'       => 'profile',
+            ],
+            [
+                'type'       => ['required', 'string', 'exclude'],
+                'profile_id' => ['nullable', 'required_if:type,profile', 'integer'],
+            ],
+        );
+
+        $this->assertFalse($validator->passes());
+        $this->assertSame(['profile_id' => ['validation.required_if']], $validator->getMessageBag()->getMessages());
+    }
+
     public function testExcludingArrays()
     {
         $validator = new Validator(