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<?php
namespace Obblm\Core\DataTransformer;
use Obblm\Core\Contracts\PositionInterface;
use Symfony\Component\Form\DataTransformerInterface;
class KeyToCollectionMapper implements DataTransformerInterface
{
private $collection;
public function __construct($collection)
$this->collection = $collection;
}
/**
* @param string|null $value
* @return PositionInterface|void
*/
public function transform($value)
if ($value === null) {
return;
if (!isset($this->collection[$value])) {
return $this->collection[$value];
public function reverseTransform($viewData)
if ($viewData === null) {
return $viewData->getKey();
obblm /
core
