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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
{
public function __construct(private readonly ValueTransformer $valueTransformer) {}
/**
* {@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 = $this->valueTransformer->transform($value);
$values[$builtValue] = $builtValue;
return new Simple($name, $values);
public function supports(array $config): bool
return isset($config['type']) && 'value_as_key' === $config['type'];
KnpLabs /
DictionaryBundle
