DateTimeValidator.php
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<?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\Validator\Constraints;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
use Symfony\Component\Validator\Exception\UnexpectedValueException;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
* @author Diego Saint Esteben <diego@saintesteben.me>
*/
class DateTimeValidator extends DateValidator
{
/**
* {@inheritdoc}
*/
public function validate($value, Constraint $constraint)
{
if (!$constraint instanceof DateTime) {
throw new UnexpectedTypeException($constraint, DateTime::class);
}
if (null === $value || '' === $value) {
return;
}
if ($value instanceof \DateTimeInterface) {
@trigger_error(sprintf('Validating a \\DateTimeInterface with "%s" is deprecated since version 4.2. Use "%s" instead or remove the constraint if the underlying model is already type hinted to \\DateTimeInterface.', DateTime::class, Type::class), \E_USER_DEPRECATED);
return;
}
if (!\is_scalar($value) && !(\is_object($value) && method_exists($value, '__toString'))) {
throw new UnexpectedValueException($value, 'string');
}
$value = (string) $value;
\DateTime::createFromFormat($constraint->format, $value);
$errors = \DateTime::getLastErrors() ?: ['error_count' => 0, 'warnings' => []];
if (0 < $errors['error_count']) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(DateTime::INVALID_FORMAT_ERROR)
->addViolation();
return;
}
if (str_ends_with($constraint->format, '+')) {
$errors['warnings'] = array_filter($errors['warnings'], function ($warning) {
return 'Trailing data' !== $warning;
});
}
foreach ($errors['warnings'] as $warning) {
if ('The parsed date was invalid' === $warning) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(DateTime::INVALID_DATE_ERROR)
->addViolation();
} elseif ('The parsed time was invalid' === $warning) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(DateTime::INVALID_TIME_ERROR)
->addViolation();
} else {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(DateTime::INVALID_FORMAT_ERROR)
->addViolation();
}
}
}
}