42 lines
1.2 KiB
PHP
42 lines
1.2 KiB
PHP
|
<?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\Polyfill\Php83;
|
||
|
|
||
|
/**
|
||
|
* @author Ion Bazan <ion.bazan@gmail.com>
|
||
|
*
|
||
|
* @internal
|
||
|
*/
|
||
|
final class Php83
|
||
|
{
|
||
|
private const JSON_MAX_DEPTH = 0x7FFFFFFF; // see https://www.php.net/manual/en/function.json-decode.php
|
||
|
|
||
|
public static function json_validate(string $json, int $depth = 512, int $flags = 0): bool
|
||
|
{
|
||
|
if (0 !== $flags && \defined('JSON_INVALID_UTF8_IGNORE') && \JSON_INVALID_UTF8_IGNORE !== $flags) {
|
||
|
throw new \ValueError('json_validate(): Argument #3 ($flags) must be a valid flag (allowed flags: JSON_INVALID_UTF8_IGNORE)');
|
||
|
}
|
||
|
|
||
|
if ($depth <= 0) {
|
||
|
throw new \ValueError('json_validate(): Argument #2 ($depth) must be greater than 0');
|
||
|
}
|
||
|
|
||
|
if ($depth >= self::JSON_MAX_DEPTH) {
|
||
|
throw new \ValueError(sprintf('json_validate(): Argument #2 ($depth) must be less than %d', self::JSON_MAX_DEPTH));
|
||
|
}
|
||
|
|
||
|
json_decode($json, null, $depth, $flags);
|
||
|
|
||
|
return \JSON_ERROR_NONE === json_last_error();
|
||
|
}
|
||
|
}
|