symfony
diff --git a/‎src/Symfony/Component/Form/Form.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Form/Form.php
+1-1Lines changed: 1 addition & 1 deletion b/‎src/Symfony/Component/Form/Form.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Form/Form.php
+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎src/Symfony/Component/Form/Tests/CompoundFormTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Form/Tests/CompoundFormTest.php
+14Lines changed: 14 additions & 0 deletions b/‎src/Symfony/Component/Form/Tests/CompoundFormTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Form/Tests/CompoundFormTest.php
+14Lines changed: 14 additions & 0 deletions
@@ -546,7 +546,7 @@ public function submit($submittedData, $clearMissing = true)
 
             foreach ($this->children as $name => $child) {
                 $fieldValue = null;
-                if (isset($submittedData[$name])) {
+                if (array_key_exists($name, $submittedData)) {
                     $fieldValue = $submittedData[$name];
                     unset($submittedData[$name]);
                 }
 
@@ -13,6 +13,7 @@
 
 use Symfony\Component\Form\Extension\HttpFoundation\HttpFoundationRequestHandler;
 use Symfony\Component\Form\FormError;
+use Symfony\Component\Form\Forms;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\File\UploadedFile;
 use Symfony\Component\Form\Tests\Fixtures\FixedDataTransformer;
@@ -73,6 +74,19 @@ public function testSubmitDoesNotSaveNullIfNotClearMissing()
         $this->form->submit(array(), false);
     }
 
+    public function testSubmitDoesNotAddExtraFieldForNullValues()
+    {
+        $factory = Forms::createFormFactoryBuilder()
+            ->getFormFactory();
+
+        $child = $factory->create('file', null, array('auto_initialize' => false));
+
+        $this->form->add($child);
+        $this->form->submit(array('file' => null));
+
+        $this->assertCount(0, $this->form->getExtraData());
+    }
+
     public function testClearMissingFlagIsForwarded()
     {
         $child = $this->getMockForm('firstName');
Original file line number	Diff line number	Diff line change
`@@ -546,7 +546,7 @@ public function submit($submittedData, $clearMissing = true)`
`546`	`546`
`547`	`547`	`foreach ($this->children as $name => $child) {`
`548`	`548`	`$fieldValue = null;`
`549`		`- if (isset($submittedData[$name])) {`
	`549`	`+ if (array_key_exists($name, $submittedData)) {`
`550`	`550`	`$fieldValue = $submittedData[$name];`
`551`	`551`	`unset($submittedData[$name]);`
`552`	`552`	`}`