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[Form] Fixed ContextErrorException in FileType #25102

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[Form] Fixed ContextErrorException in FileType #25102

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7092c9f
[Form] Fixed ContextErrorException in FileType
Nov 22, 2017
2362056
Fix to allow only arrays
Nov 23, 2017
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7 changes: 6 additions & 1 deletion src/Symfony/Component/Form/Extension/Core/Type/FileType.php
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Original file line number Diff line number Diff line change
Expand Up @@ -34,8 +34,13 @@ public function buildForm(FormBuilderInterface $builder, array $options)

if ($options['multiple']) {
$data = array();
$files = $event->getData();

foreach ($event->getData() as $file) {
if (!is_array($files)) {
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What about checking for null here first and then dropping everything afterwards that is not an array?

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or maybe just:

if (!is_array($files)) {
    $files = array(null);
}

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@xabbuh Thank you, I fixed it.

$files = array(null);
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$files = array(); also looks more better to me, it reduces the redundant traverse over them and RequestHandlerInterface::isFileUpload() method call.

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fixed while merging

}

foreach ($files as $file) {
if ($requestHandler->isFileUpload($file)) {
$data[] = $file;
}
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18 changes: 18 additions & 0 deletions src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php
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Expand Up @@ -158,6 +158,24 @@ public function testMultipleSubmittedFilePathsAreDropped(RequestHandlerInterface
$this->assertCount(1, $form->getData());
}

/**
* @dataProvider requestHandlerProvider
*/
public function testSubmitNonArrayValueWhenMultiple(RequestHandlerInterface $requestHandler)
{
$form = $this->factory
->createBuilder(static::TESTED_TYPE, null, array(
'multiple' => true,
))
->setRequestHandler($requestHandler)
->getForm();
$form->submit(null);

$this->assertSame(array(), $form->getData());
$this->assertSame(array(), $form->getNormData());
$this->assertSame(array(), $form->getViewData());
}

public function requestHandlerProvider()
{
return array(
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