<?php
/**
 * Copyright 2017 Google Inc. All Rights Reserved.
 *
 * Licensed 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.
 */

namespace Google\Cloud\Core\Report;

/**
 * An MetadataProvider for GAE Flex.
 */
class GAEFlexMetadataProvider extends GAEMetadataProvider
{
    protected function getTraceValue($server)
    {
        return substr($server['HTTP_X_CLOUD_TRACE_CONTEXT'], 0, 32);
    }
}