Symfony Profiler

<?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\Serializer\Normalizer;
use Symfony\Component\PropertyInfo\Type;
use Symfony\Component\Serializer\Exception\InvalidArgumentException;
use Symfony\Component\Serializer\Exception\NotNormalizableValueException;
/**
* Normalizes an object implementing the {@see \DateTimeInterface} to a date string.
* Denormalizes a date string to an instance of {@see \DateTime} or {@see \DateTimeImmutable}.
*
* @author Kévin Dunglas <dunglas@gmail.com>
*/
class DateTimeNormalizer implements NormalizerInterface, DenormalizerInterface, CacheableSupportsMethodInterface
{
public const FORMAT_KEY = 'datetime_format';
public const TIMEZONE_KEY = 'datetime_timezone';
private $defaultContext = [
self::FORMAT_KEY => \DateTime::RFC3339,
self::TIMEZONE_KEY => null,
];
private const SUPPORTED_TYPES = [
\DateTimeInterface::class => true,
\DateTimeImmutable::class => true,
\DateTime::class => true,
];
public function __construct(array $defaultContext = [])
{
$this->setDefaultContext($defaultContext);
}
public function setDefaultContext(array $defaultContext): void
{
$this->defaultContext = array_merge($this->defaultContext, $defaultContext);
}
/**
* {@inheritdoc}
*
* @return string
*
* @throws InvalidArgumentException
*/
public function normalize($object, string $format = null, array $context = [])
{
if (!$object instanceof \DateTimeInterface) {
throw new InvalidArgumentException('The object must implement the "\DateTimeInterface".');
}
$dateTimeFormat = $context[self::FORMAT_KEY] ?? $this->defaultContext[self::FORMAT_KEY];
$timezone = $this->getTimezone($context);
if (null !== $timezone) {
$object = clone $object;
$object = $object->setTimezone($timezone);
}
return $object->format($dateTimeFormat);
}
/**
* {@inheritdoc}
*/
public function supportsNormalization($data, string $format = null)
{
return $data instanceof \DateTimeInterface;
}
/**
* {@inheritdoc}
*
* @return \DateTimeInterface
*
* @throws NotNormalizableValueException
*/
public function denormalize($data, string $type, string $format = null, array $context = [])
{
if (\is_int($data) || \is_float($data)) {
switch ($context[self::FORMAT_KEY] ?? $this->defaultContext[self::FORMAT_KEY] ?? null) {
case 'U': $data = sprintf('%d', $data); break;
case 'U.u': $data = sprintf('%.6F', $data); break;
}
}
if (!\is_string($data) || '' === trim($data)) {
throw NotNormalizableValueException::createForUnexpectedDataType('The data is either not an string, an empty string, or null; you should pass a string that can be parsed with the passed format or a valid DateTime string.', $data, [Type::BUILTIN_TYPE_STRING], $context['deserialization_path'] ?? null, true);
}
try {
$timezone = $this->getTimezone($context);
$dateTimeFormat = $context[self::FORMAT_KEY] ?? null;
if (null !== $dateTimeFormat) {
$object = \DateTime::class === $type ? \DateTime::createFromFormat($dateTimeFormat, $data, $timezone) : \DateTimeImmutable::createFromFormat($dateTimeFormat, $data, $timezone);
if (false !== $object) {
return $object;
}
$dateTimeErrors = \DateTime::class === $type ? \DateTime::getLastErrors() : \DateTimeImmutable::getLastErrors();
throw NotNormalizableValueException::createForUnexpectedDataType(sprintf('Parsing datetime string "%s" using format "%s" resulted in %d errors: ', $data, $dateTimeFormat, $dateTimeErrors['error_count'])."\n".implode("\n", $this->formatDateTimeErrors($dateTimeErrors['errors'])), $data, [Type::BUILTIN_TYPE_STRING], $context['deserialization_path'] ?? null, true);
}
$defaultDateTimeFormat = $this->defaultContext[self::FORMAT_KEY] ?? null;
if (null !== $defaultDateTimeFormat) {
$object = \DateTime::class === $type ? \DateTime::createFromFormat($defaultDateTimeFormat, $data, $timezone) : \DateTimeImmutable::createFromFormat($defaultDateTimeFormat, $data, $timezone);
if (false !== $object) {
return $object;
}
}
return \DateTime::class === $type ? new \DateTime($data, $timezone) : new \DateTimeImmutable($data, $timezone);
} catch (NotNormalizableValueException $e) {
throw $e;
} catch (\Exception $e) {
throw NotNormalizableValueException::createForUnexpectedDataType($e->getMessage(), $data, [Type::BUILTIN_TYPE_STRING], $context['deserialization_path'] ?? null, false, $e->getCode(), $e);
}
}
/**
* {@inheritdoc}
*/
public function supportsDenormalization($data, string $type, string $format = null)
{
return isset(self::SUPPORTED_TYPES[$type]);
}
/**
* {@inheritdoc}
*/
public function hasCacheableSupportsMethod(): bool
{
return __CLASS__ === static::class;
}
/**
* Formats datetime errors.
*
* @return string[]
*/
private function formatDateTimeErrors(array $errors): array
{
$formattedErrors = [];
foreach ($errors as $pos => $message) {
$formattedErrors[] = sprintf('at position %d: %s', $pos, $message);
}
return $formattedErrors;
}
private function getTimezone(array $context): ?\DateTimeZone
{
$dateTimeZone = $context[self::TIMEZONE_KEY] ?? $this->defaultContext[self::TIMEZONE_KEY];
if (null === $dateTimeZone) {
return null;
}
return $dateTimeZone instanceof \DateTimeZone ? $dateTimeZone : new \DateTimeZone($dateTimeZone);
}
}

vendor/symfony/serializer/Normalizer/DateTimeNormalizer.php line 139