PHP:Header
RFC2616有相关的所有的状态信息的说明, 就状态码，大体总结如下：
- 1xx: Informational - Request received, continuing process
- 2xx: Success - The action was successfully received, understood,
- and accepted
- 3xx: Redirection - Further action must be taken in order to
- complete the request
- 4xx: Client Error - The request contains bad syntax or cannot be
- fulfilled
- 5xx: Server Error - The server failed to fulfill an apparently
- valid request
| 状态码 | 含义 |
|---|---|
| 100 | Continue 继续 |
| 101 | Switching Protocols 交换协议 |
| 200 | OK 好的 |
| 201 | Created 创建 |
| 202 | Accepted 接受 |
| 203 | Non-Authoritative Information 非授权信息 |
| 204 | No Content 没有内容 |
| 205 | Reset Content 重置内容 |
| 206 | Partial Content 部分内容 |
| 300 | Multiple Choices 多选 |
| 301 | Moved Permanently 永久移动 |
| 302 | Moved Temporarily 临时移动 |
| 303 | See Other 看到其他 |
| 304 | Not Modified 不修改 |
| 305 | Use Proxy 使用代理 |
| 400 | Bad Request 坏的请求 |
| 401 | Unauthorized 未经授权的 |
| 402 | Payment Required 付款要求 |
| 403 | Forbidden 被禁止的 |
| 404 | Not Found 没有找到 |
| 405 | Method Not Allowed 不允许 |
| 406 | Not Acceptable 不能接受的 |
| 407 | Proxy Authentication Required 需要代理认证 |
| 408 | Request Time-out 请求超时 |
| 409 | Conflict 冲突 |
| 410 | Gone 走了 |
| 411 | Length Required 长度要求 |
| 412 | Precondition Failed 失败的前提 |
| 413 | Request Entity Too Large 请求实体太大 |
| 414 | Request-URI Too Large 请求uri太大 |
| 415 | Unsupported Media Type 不支持的媒体类型 |
| 500 | Internal Server Error 服务器内部错误 |
| 501 | Not Implemented 没有实现 |
| 502 | Bad Gateway 坏的网关 |
| 503 | Service Unavailable 服务不可用 |
| 504 | Gateway Time-out 网关超时 |
| 505 | HTTP Version not supported 不支持HTTP版本 |
So， 举几个例子：
header("HTTP/1.1 404 Not Found", true, 404);
header("HTTP/1.0 401 Unauthorized");
header("Content-Type: text/html; charset=utf-8;");
header("Location:http://www.xxx.com");RFC2616 http://www.faqs.org/rfcs/rfc2616
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