opensearch-tutorial/php/OpenSearch/Autoloader/Autoloader.php

<?php
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

$basePath = __DIR__ . '/../../';
require_once $basePath . 'OpenSearch/Thrift/ClassLoader/ThriftClassLoader.php';

use Thrift\ClassLoader\ThriftClassLoader;

$loader = new ThriftClassLoader();

$loader->registerNamespace('Thrift', $basePath . 'OpenSearch');
$loader->registerNamespace('OpenSearch', $basePath);
$loader->registerDefinition('OpenSearch', $basePath);
$loader->register();