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<?php
declare(strict_types=1);
namespace Knp\DictionaryBundle\Dictionary\Factory;
use InvalidArgumentException;
use Knp\DictionaryBundle\Dictionary;
use Knp\DictionaryBundle\Dictionary\Factory;
use Knp\DictionaryBundle\Dictionary\Simple;
use Knp\DictionaryBundle\ValueTransformer;
final class ValueAsKey implements Factory
{
/**
* @var ValueTransformer
*/
private $transformer;
public function __construct(ValueTransformer $transformer)
$this->transformer = $transformer;
}
* {@inheritdoc}
*
* @throw InvalidArgumentException if there is some problem with the config.
public function create(string $name, array $config): Dictionary
if (!isset($config['content'])) {
throw new InvalidArgumentException(sprintf('The key content for dictionary %s must be set.', $name));
$content = $config['content'];
$values = [];
foreach ($content as $value) {
$builtValue = $this->transformer->transform($value);
$values[$builtValue] = $builtValue;
return new Simple($name, $values);
public function supports(array $config): bool
return (isset($config['type'])) ? 'value_as_key' === $config['type'] : false;
KnpLabs /
DictionaryBundle
