1<?php 2/** 3 * Elasticsearch PHP client 4 * 5 * @link https://github.com/elastic/elasticsearch-php/ 6 * @copyright Copyright (c) Elasticsearch B.V (https://www.elastic.co) 7 * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 8 * @license https://www.gnu.org/licenses/lgpl-2.1.html GNU Lesser General Public License, Version 2.1 9 * 10 * Licensed to Elasticsearch B.V under one or more agreements. 11 * Elasticsearch B.V licenses this file to you under the Apache 2.0 License or 12 * the GNU Lesser General Public License, Version 2.1, at your option. 13 * See the LICENSE file in the project root for more information. 14 */ 15 16 17declare(strict_types = 1); 18 19namespace Elasticsearch\Serializers; 20 21interface SerializerInterface 22{ 23 /** 24 * Serialize a complex data-structure into a json encoded string 25 * 26 * @param mixed $data The data to encode 27 * @return string 28 */ 29 public function serialize($data): string; 30 31 /** 32 * Deserialize json encoded string into an associative array 33 * 34 * @param string $data JSON encoded string 35 * @param array $headers Response Headers 36 * @return string|array 37 */ 38 public function deserialize(?string $data, array $headers); 39} 40