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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;
/**
* @api
*/
class TypeValidator extends ConstraintValidator
{
/**
* Checks if the passed value is valid.
*
* @param mixed $value The value that should be validated
* @param Constraint $constraint The constraint for the validation
*
* @return Boolean Whether or not the value is valid
*
* @api
*/
public function isValid($value, Constraint $constraint)
{
if (null === $value) {
return true;
}
$type = $constraint->type == 'boolean' ? 'bool' : $constraint->type;
$function = 'is_'.$type;
if (function_exists($function) && call_user_func($function, $value)) {
return true;
} else if ($value instanceof $constraint->type) {
return true;
}
$this->setMessage($constraint->message, array(
'{{ value }}' => is_object($value) ? get_class($value) : (string)$value,
'{{ type }}' => $constraint->type,
));
return false;
}
}
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