respect-validation/library/Rules/Json.php
2018-01-28 17:38:36 +01:00

29 lines
580 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.
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
class Json extends AbstractRule
{
public function validate($input): bool
{
if (!is_string($input) || '' === $input) {
return false;
}
json_decode($input);
return JSON_ERROR_NONE === json_last_error();
}
}