respect-validation/library/Rules/Json.php
2015-06-08 12:09:25 -03:00

25 lines
536 B
PHP

<?php
/*
* This file is part of Respect/Validation.
*
* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
*
* For the full copyright and license information, please view the "LICENSE.md"
* file that was distributed with this source code.
*/
namespace Respect\Validation\Rules;
class Json extends AbstractRule
{
public function validate($input)
{
if (is_string($input)
&& strtolower($input) == 'null') {
return true;
}
return (null !== json_decode($input));
}
}