Merge branch '6.3' into 6.4

* 6.3:
  fix tests on AppVeyor
  Hungarian typo fix in validators translation
  [Validator] updated Latvian translation
  [Validator] Added missing Swedish translations
  [Mailer] [Notifier] #52264 Update Sendinblue / Brevo API host
  [Validator] Added missing Estonian translations #51939
  fix File constraint tests on 32bit PHP
  [Form] Skip merging params & files if there are no files in the first place
  [Translation] Ignore bridges in `.gitattributes` file
  Add missing Hungarian validator translations
  Added missing Bosnian translations #51929
  Added missing Serbian (sr_Latn) translations
  Added missing Serbian (sr_Cyrl) translations
  Bump Symfony version to 6.3.7
  Update VERSION for 6.3.6
  Update CHANGELOG for 6.3.6
  Hide generated files in GitHub diffs and statistics
  #51937 - Added missing Danish translations

Author: xabbuh

Tests/AbstractRequestHandlerTestCase.php

@@ -14,6 +14,7 @@
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\EventDispatcher\EventDispatcher;
 use Symfony\Component\Form\Extension\Core\DataMapper\DataMapper;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\Form;
 use Symfony\Component\Form\FormBuilder;
 use Symfony\Component\Form\FormError;
@@ -227,6 +228,24 @@ public function testMergeParamsAndFiles($method)
         $this->assertSame($file, $form->get('field2')->getData());
     }
 
+    public function testIntegerChildren()
+    {
+        $form = $this->createForm('root', 'POST', true);
+        $form->add('0', TextType::class);
+        $form->add('1', TextType::class);
+
+        $this->setRequestData('POST', [
+            'root' => [
+                '1' => 'bar',
+            ],
+        ]);
+
+        $this->requestHandler->handleRequest($form, $this->request);
+
+        $this->assertNull($form->get('0')->getData());
+        $this->assertSame('bar', $form->get('1')->getData());
+    }
+
     /**
      * @dataProvider methodExceptGetProvider
      */

Util/FormUtil.php

@@ -46,20 +46,21 @@ public static function isEmpty(mixed $data): bool
      */
     public static function mergeParamsAndFiles(array $params, array $files): array
     {
-        $result = [];
+        if (array_is_list($files)) {
+            foreach ($files as $value) {
+                $params[] = $value;
+            }
+
+            return $params;
+        }
 
         foreach ($params as $key => $value) {
             if (\is_array($value) && \is_array($files[$key] ?? null)) {
-                $value = self::mergeParamsAndFiles($value, $files[$key]);
+                $params[$key] = self::mergeParamsAndFiles($value, $files[$key]);
                 unset($files[$key]);
             }
-            if (\is_int($key)) {
-                $result[] = $value;
-            } else {
-                $result[$key] = $value;
-            }
         }
 
-        return array_merge($result, $files);
+        return array_replace($params, $files);
     }
 }