/**
* {@inheritdoc}
*/
public function reverseTransform($rfc3339)
{
if (!is_string($rfc3339)) {
throw new TransformationFailedException('Expected a string.');
}
if ('' === $rfc3339) {
return;
}
try {
$dateTime = new Date($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;
}
/**
* Transforms a localized date string/array into a normalized date.
*
* @param string|array $value Localized date string/array
*
* @return \DateTime Normalized date
*
* @throws TransformationFailedException if the given value is not a string,
* if the date could not be parsed or
* if the input timezone is not supported
*/
public function reverseTransform($value)
{
if (!is_string($value)) {
throw new TransformationFailedException('Expected a string.');
}
if ('' === $value) {
return;
}
$timestamp = $this->getIntlDateFormatter()->parse($value);
if (intl_get_error_code() != 0) {
throw new TransformationFailedException(intl_get_error_message());
}
try {
// read timestamp into DateTime object - the formatter delivers in UTC
$dateTime = new Date(sprintf('@%s UTC', $timestamp));
} catch (\Exception $e) {
throw new TransformationFailedException($e->getMessage(), $e->getCode(), $e);
}
if ('UTC' !== $this->inputTimezone) {
try {
$dateTime->setTimezone(new \DateTimeZone($this->inputTimezone));
} catch (\Exception $e) {
throw new TransformationFailedException($e->getMessage(), $e->getCode(), $e);
}
}
return $dateTime;
}
