43 lines
996 B
PHP
43 lines
996 B
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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/**
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* @api
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*/
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class NullValidator extends ConstraintValidator
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{
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/**
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* Checks if the passed value is valid.
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*
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* @param mixed $value The value that should be validated
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* @param Constraint $constraint The constraint for the validation
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*
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* @return Boolean Whether or not the value is valid
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*
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* @api
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*/
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public function isValid($value, Constraint $constraint)
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{
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if (null !== $value) {
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$this->setMessage($constraint->message, array('{{ value }}' => $value));
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return false;
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}
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return true;
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}
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}
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