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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\Validator\Constraint; use Symfony\Component\Validator\ConstraintValidator; use Symfony\Component\Validator\Exception\ConstraintDefinitionException; use Symfony\Component\Validator\Exception\UnexpectedTypeException; /** * Validator for Callback constraint. * * @author Bernhard Schussek <bschussek@gmail.com> */ class CallbackValidator extends ConstraintValidator { /** * {@inheritdoc} */ public function validate($object, Constraint $constraint) { if (!$constraint instanceof Callback) { throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Callback'); } $method = $constraint->callback; if ($method instanceof \Closure) { $method($object, $this->context, $constraint->payload); } elseif (\is_array($method)) { if (!\is_callable($method)) { if (isset($method[0]) && \is_object($method[0])) { $method[0] = \get_class($method[0]); } throw new ConstraintDefinitionException(sprintf('%s targeted by Callback constraint is not a valid callable', json_encode($method))); } \call_user_func($method, $object, $this->context, $constraint->payload); } elseif (null !== $object) { if (!method_exists($object, $method)) { throw new ConstraintDefinitionException(sprintf('Method "%s" targeted by Callback constraint does not exist in class %s', $method, \get_class($object))); } $reflMethod = new \ReflectionMethod($object, $method); if ($reflMethod->isStatic()) { $reflMethod->invoke(null, $object, $this->context, $constraint->payload); } else { $reflMethod->invoke($object, $this->context, $constraint->payload); } } } }