Current File : //opt/alt/php55/usr/share/pear/Symfony/Bridge/Doctrine/Form/DataTransformer/CollectionToArrayTransformer.php
<?php
/*
* 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\Bridge\Doctrine\Form\DataTransformer;
use Symfony\Component\Form\Exception\TransformationFailedException;
use Symfony\Component\Form\DataTransformerInterface;
use Doctrine\Common\Collections\Collection;
use Doctrine\Common\Collections\ArrayCollection;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class CollectionToArrayTransformer implements DataTransformerInterface
{
/**
* Transforms a collection into an array.
*
* @param Collection $collection A collection of entities
*
* @return mixed An array of entities
*
* @throws TransformationFailedException
*/
public function transform($collection)
{
if (null === $collection) {
return array();
}
// For cases when the collection getter returns $collection->toArray()
// in order to prevent modifications of the returned collection
if (is_array($collection)) {
return $collection;
}
if (!$collection instanceof Collection) {
throw new TransformationFailedException('Expected a Doctrine\Common\Collections\Collection object.');
}
return $collection->toArray();
}
/**
* Transforms choice keys into entities.
*
* @param mixed $array An array of entities
*
* @return Collection A collection of entities
*/
public function reverseTransform($array)
{
if ('' === $array || null === $array) {
$array = array();
} else {
$array = (array) $array;
}
return new ArrayCollection($array);
}
}
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