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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, Callback::class);
- }
- $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(json_encode($method).' targeted by Callback constraint is not a valid callable.');
- }
- $method($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".', $method, get_debug_type($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);
- }
- }
- }
- }
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