<?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\Extension\Core\DataTransformer; use Symfony\Component\Form\Exception\TransformationFailedException; /** * @author Bernhard Schussek <bschussek@gmail.com> */ class DateTimeToRfc3339Transformer extends BaseDateTimeTransformer { /** * {@inheritDoc} */ public function transform($dateTime) { if (null === $dateTime) { return ''; } if (!$dateTime instanceof \DateTime) { throw new TransformationFailedException('Expected a \DateTime.'); } if ($this->inputTimezone !== $this->outputTimezone) { $dateTime = clone $dateTime; $dateTime->setTimezone(new \DateTimeZone($this->outputTimezone)); } return preg_replace('/\+00:00$/', 'Z', $dateTime->format('c')); } /** * {@inheritDoc} */ public function reverseTransform($rfc3339) { if (!is_string($rfc3339)) { throw new TransformationFailedException('Expected a string.'); } if ('' === $rfc3339) { return null; } try { $dateTime = new \DateTime($rfc3339); } catch (\Exception $e) { throw new TransformationFailedException($e->getMessage(), $e->getCode(), $e); } if ($this->outputTimezone !== $dateTime->getTimezone()->getName()) { try { $dateTime->setTimezone(new \DateTimeZone($this->inputTimezone)); } catch (\Exception $e) { throw new TransformationFailedException($e->getMessage(), $e->getCode(), $e); } } if (preg_match('/(\d{4})-(\d{2})-(\d{2})/', $rfc3339, $matches)) { if (!checkdate($matches[2], $matches[3], $matches[1])) { throw new TransformationFailedException(sprintf( 'The date "%s-%s-%s" is not a valid date.', $matches[1], $matches[2], $matches[3] )); } } return $dateTime; } }