8000 [DEPRECATION] : deprecated support for Traversable in method ResizeFormListener::PreSubmit by ybensacq · Pull Request #17732 · symfony/symfony · GitHub
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[DEPRECATION] : deprecated support for Traversable in method ResizeFormListener::PreSubmit #17732

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[DEPRECATION] : deprecated support for Traversable in method ResizeFormListener::PreSubmit #17732

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b0beab9
[DEPRECATION] : deprecated support for Traversable in method
ybensacq Feb 8, 2016
39f7f54
[DEPRECATION] : deprecated support for Traversable in method
ybensacq Feb 8, 2016
d666f3e
[DEPRECATION] : deprecated support for Traversable in method
ybensacq Feb 8, 2016
042b899
[DEPRECATION] : deprecated support for Traversable in method
ybensacq Feb 8, 2016
188e780
[DEPRECATION] : deprecated support for Traversable in method
ybensacq Feb 8, 2016
554307c
fix BC breack
ybensacq Feb 9, 2016
59ff581
update Documentation files
ybensacq Feb 9, 2016
176d30d
Fix backticks in .md
ybensacq Feb 9, 2016
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3 changes: 3 additions & 0 deletions UPGRADE-3.1.md
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Expand Up @@ -15,6 +15,9 @@ Form

* The `choices_as_values` option of the `ChoiceType` has been deprecated and
will be removed in Symfony 4.0.
* Support for data objects that implements both `\Traversable` and `\ArrayAccess`
in `ResizeFormListener::preSubmit` method has been deprecated and will be
removed in Symfony 4.0.

HttpKernel
----------
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2 changes: 2 additions & 0 deletions UPGRADE-4.0.md
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Expand Up @@ -13,6 +13,8 @@ Form
----

* The `choices_as_values` option of the `ChoiceType` has been removed.
* Support for data objects that implements both `\Traversable` and
`\ArrayAccess` in `ResizeFormListener::preSubmit` method has been removed

Serializer
----------
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2 changes: 2 additions & 0 deletions src/Symfony/Component/Form/CHANGELOG.md
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Expand Up @@ -5,6 +5,8 @@ CHANGELOG
-----

* deprecated the "choices_as_values" option of ChoiceType
* deprecated support for data objects that implements both `\Traversable` and
`\ArrayAccess` in `ResizeFormListener::preSubmit` method

3.0.0
-----
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4 changes: 4 additions & 0 deletions src/Symfony/Component/Form/Extension/Core/EventListener/ResizeFormListener.php
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Expand Up @@ -102,6 +102,10 @@ public function preSubmit(FormEvent $event)
$form = $event->getForm();
$data = $event->getData();

if ($data instanceof \Traversable && $data instanceof \ArrayAccess) {
@trigger_error('Support for objects implementing both \Traversable and \ArrayAccess is deprecated since version 3.1 and will be removed in 4.0. Use an array instead.', E_USER_DEPRECATED);
}

if (null === $data || '' === $data) {
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Actually, you cannot remove this check because would be a BC break, you only need to add the deprecation.

$data = array();
}
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