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<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Nette\Utils;
use Nette;
/**
* JSON encoder and decoder.
*/
final class Json
{
use Nette\StaticClass;
public const FORCE_ARRAY = JSON_OBJECT_AS_ARRAY;
public const PRETTY = JSON_PRETTY_PRINT;
public const ESCAPE_UNICODE = 1 << 19;
/**
* Converts value to JSON format. The flag can be Json::PRETTY, which formats JSON for easier reading and clarity,
* and Json::ESCAPE_UNICODE for ASCII output.
* @param mixed $value
* @throws JsonException
*/
public static function encode($value, int $flags = 0): string
{
$flags = ($flags & self::ESCAPE_UNICODE ? 0 : JSON_UNESCAPED_UNICODE)
| JSON_UNESCAPED_SLASHES
| ($flags & ~self::ESCAPE_UNICODE)
| (defined('JSON_PRESERVE_ZERO_FRACTION') ? JSON_PRESERVE_ZERO_FRACTION : 0); // since PHP 5.6.6 & PECL JSON-C 1.3.7
$json = json_encode($value, $flags);
if ($error = json_last_error()) {
throw new JsonException(json_last_error_msg(), $error);
}
return $json;
}
/**
* Parses JSON to PHP value. The flag can be Json::FORCE_ARRAY, which forces an array instead of an object as the return value.
* @return mixed
* @throws JsonException
*/
public static function decode(string $json, int $flags = 0)
{
$value = json_decode($json, null, 512, $flags | JSON_BIGINT_AS_STRING);
if ($error = json_last_error()) {
throw new JsonException(json_last_error_msg(), $error);
}
return $value;
}
}
|