File OpenSearch/Serializers/ArrayToJSONSerializer.php

1:	<?php
2:
3:	declare(strict_types=1);
4:
5:	/**
6:	* Copyright OpenSearch Contributors
7:	* SPDX-License-Identifier: Apache-2.0
8:	*
9:	* OpenSearch PHP client
10:	*
11:	* @link https://github.com/opensearch-project/opensearch-php/
12:	* @copyright Copyright (c) Elasticsearch B.V (https://www.elastic.co)
13:	* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
14:	* @license https://www.gnu.org/licenses/lgpl-2.1.html GNU Lesser General Public License, Version 2.1
15:	*
16:	* Licensed to Elasticsearch B.V under one or more agreements.
17:	* Elasticsearch B.V licenses this file to you under the Apache 2.0 License or
18:	* the GNU Lesser General Public License, Version 2.1, at your option.
19:	* See the LICENSE file in the project root for more information.
20:	*/
21:
22:	namespace OpenSearch\Serializers;
23:
24:	use OpenSearch\Common\Exceptions\RuntimeException;
25:
26:	if (!defined('JSON_INVALID_UTF8_SUBSTITUTE')) {
27:	//PHP < 7.2 Define it as 0 so it does nothing
28:	define('JSON_INVALID_UTF8_SUBSTITUTE', 0);
29:	}
30:
31:	class ArrayToJSONSerializer implements SerializerInterface
32:	{
33:	/**
34:	* {@inheritdoc}
35:	*/
36:	public function serialize($data): string
37:	{
38:	if (is_string($data) === true) {
39:	return $data;
40:	} else {
41:	$data = json_encode($data, JSON_PRESERVE_ZERO_FRACTION + JSON_INVALID_UTF8_SUBSTITUTE);
42:	if ($data === false) {
43:	throw new RuntimeException("Failed to JSON encode: ".json_last_error());
44:	}
45:	if ($data === '[]') {
46:	return '{}';
47:	} else {
48:	return $data;
49:	}
50:	}
51:	}
52:
53:	/**
54:	* {@inheritdoc}
55:	*/
56:	public function deserialize(?string $data, array $headers)
57:	{
58:	return json_decode($data, true);
59:	}
60:	}
61:

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