vendor/sensio/framework-extra-bundle/Request/ParamConverter/DateTimeParamConverter.php

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<?php

/*
 * This file is part of the Symfony framework.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter;

use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use DateTime;

/**
 * Convert DateTime instances from request attribute variable.
 *
 * @author Benjamin Eberlei <kontakt@beberlei.de>
 */
class DateTimeParamConverter implements ParamConverterInterface
{
    /**
     * {@inheritdoc}
     *
     * @throws NotFoundHttpException When invalid date given
     */
    public function apply(Request $request, ParamConverter $configuration)
    {
        $param = $configuration->getName();

        if (!$request->attributes->has($param)) {
            return false;
        }

        $options = $configuration->getOptions();
        $value = $request->attributes->get($param);

        if (!$value && $configuration->isOptional()) {
            return false;
        }

        if (isset($options['format'])) {
            $date = DateTime::createFromFormat($options['format'], $value);

            if (!$date) {
                throw new NotFoundHttpException(sprintf('Invalid date given for parameter "%s".', $param));
            }
        } else {
            if (false === strtotime($value)) {
                throw new NotFoundHttpException(sprintf('Invalid date given for parameter "%s".', $param));
            }

            $date = new DateTime($value);
        }

        $request->attributes->set($param, $date);