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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\UnexpectedTypeException;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class TypeValidator extends ConstraintValidator
{
/**
* {@inheritdoc}
*/
public function validate($value, Constraint $constraint)
{
if (!$constraint instanceof Type) {
throw new UnexpectedTypeException($constraint, Type::class);
}
if (null === $value) {
return;
}
$types = (array) $constraint->type;
foreach ($types as $type) {
$type = strtolower($type);
$type = 'boolean' === $type ? 'bool' : $type;
$isFunction = 'is_'.$type;
$ctypeFunction = 'ctype_'.$type;
if (\function_exists($isFunction) && $isFunction($value)) {
return;
} elseif (\function_exists($ctypeFunction) && $ctypeFunction($value)) {
return;
} elseif ($value instanceof $type) {
return;
}
}
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setParameter('{{ type }}', implode('|', $types))
->setCode(Type::INVALID_TYPE_ERROR)
->addViolation();
}
}