<?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.
 */

/**
 * HTTP头常量
 */
class HttpHeader {
    //请求Header Accept
    const HTTP_HEADER_ACCEPT = "Accept";
    //请求Body内容MD5 Header
    const HTTP_HEADER_CONTENT_MD5 = "Content-MD5";
    //请求Header Content-Type
    const HTTP_HEADER_CONTENT_TYPE = "Content-Type";
    //请求Header UserAgent
    const HTTP_HEADER_USER_AGENT = "User-Agent";
    //请求Header Date
    const HTTP_HEADER_DATE = "Date";
}