/usr/share/php/Symfony/Component/Form/Extension/Core/EventListener/FixCheckboxInputListener.php is in php-symfony-form 2.7.10-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\Core\EventListener;
@trigger_error('The class '.__NAMESPACE__.'\FixCheckboxInputListener is deprecated since version 2.7 and will be removed in 3.0. Use Symfony\Component\Form\Extension\Core\DataMapper\CheckboxListMapper instead.', E_USER_DEPRECATED);
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Form\ChoiceList\ChoiceListInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\Form\FormEvents;
/**
* Takes care of converting the input from a list of checkboxes to a correctly
* indexed array.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*
* @deprecated since version 2.7, to be removed in 3.0.
* Use {@link \Symfony\Component\Form\Extension\Core\DataMapper\CheckboxListMapper} instead.
*/
class FixCheckboxInputListener implements EventSubscriberInterface
{
private $choiceList;
/**
* Constructor.
*
* @param ChoiceListInterface $choiceList
*/
public function __construct(ChoiceListInterface $choiceList)
{
$this->choiceList = $choiceList;
}
public function preSubmit(FormEvent $event)
{
$data = $event->getData();
if (is_array($data)) {
// Flip the submitted values for faster lookup
// It's better to flip this array than $existingValues because
// $submittedValues is generally smaller.
$submittedValues = array_flip($data);
// Since expanded choice fields are completely loaded anyway, we
// can just as well get the values again without losing performance.
$existingValues = $this->choiceList->getValues();
// Clear the data array and fill it with correct indices
$data = array();
foreach ($existingValues as $index => $value) {
if (isset($submittedValues[$value])) {
// Value was submitted
$data[$index] = $value;
unset($submittedValues[$value]);
}
}
if (count($submittedValues) > 0) {
throw new TransformationFailedException(sprintf(
'The following choices were not found: "%s"',
implode('", "', array_keys($submittedValues))
));
}
} elseif ('' === $data || null === $data) {
// Empty values are always accepted.
$data = array();
}
// Else leave the data unchanged to provoke an error during submission
$event->setData($data);
}
/**
* Alias of {@link preSubmit()}.
*
* @deprecated since version 2.3, to be removed in 3.0.
* Use {@link preSubmit()} instead.
*/
public function preBind(FormEvent $event)
{
@trigger_error('The '.__METHOD__.' method is deprecated since version 2.3 and will be removed in 3.0. Use the preSubmit() method instead.', E_USER_DEPRECATED);
$this->preSubmit($event);
}
public static function getSubscribedEvents()
{
return array(FormEvents::PRE_SUBMIT => 'preSubmit');
}
}
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