symfony/src/Symfony/Component/Validator/Constraints/MinValidator.php

<?php

namespace Symfony\Component\Validator\Constraints;

/*
 * This file is part of the Symfony framework.
 *
 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;

class MinValidator extends ConstraintValidator
{
    public function isValid($value, Constraint $constraint)
    {
        if ($value === null) {
            return true;
        }

        if (!is_numeric($value)) {
            throw new UnexpectedTypeException($value, 'numeric');
        }

        if ($value < $constraint->limit) {
            $this->setMessage($constraint->message, array(
                '{{ value }}' => $value,
                '{{ limit }}' => $constraint->limit,
            ));

            return false;
        }

        return true;
    }
}