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view vendor/symfony/validator/Constraints/LocaleValidator.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 129ea1e6d783 |
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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\Intl\Intl; use Symfony\Component\Validator\Constraint; use Symfony\Component\Validator\ConstraintValidator; use Symfony\Component\Validator\Exception\UnexpectedTypeException; /** * Validates whether a value is a valid locale code. * * @author Bernhard Schussek <bschussek@gmail.com> */ class LocaleValidator extends ConstraintValidator { /** * {@inheritdoc} */ public function validate($value, Constraint $constraint) { if (!$constraint instanceof Locale) { throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Locale'); } if (null === $value || '' === $value) { return; } if (!is_scalar($value) && !(\is_object($value) && method_exists($value, '__toString'))) { throw new UnexpectedTypeException($value, 'string'); } $value = (string) $value; $locales = Intl::getLocaleBundle()->getLocaleNames(); $aliases = Intl::getLocaleBundle()->getAliases(); if (!isset($locales[$value]) && !\in_array($value, $aliases)) { $this->context->buildViolation($constraint->message) ->setParameter('{{ value }}', $this->formatValue($value)) ->setCode(Locale::NO_SUCH_LOCALE_ERROR) ->addViolation(); } } }