<?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\Component\Form\Tests\Fixtures; use Symfony\Component\Form\DataTransformerInterface; use Symfony\Component\Form\Exception\RuntimeException; class FixedDataTransformer implements DataTransformerInterface { private $mapping; public function __construct(array $mapping) { $this->mapping = $mapping; } public function transform($value) { if (!array_key_exists($value, $this->mapping)) { throw new RuntimeException(sprintf('No mapping for value "%s"', $value)); } return $this->mapping[$value]; } public function reverseTransform($value) { $result = array_search($value, $this->mapping, true); if ($result === false) { throw new RuntimeException(sprintf('No reverse mapping for value "%s"', $value)); } return $result; } }