PHP中如何使用header發送頭部資訊_PHP

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上載者:User
關鍵字 頭部 資訊 發送 如何 部分 Status 代碼 Heade
在照彭武興先生的《PHP BIBLE》中所述,header可以送出Status標題,如

header("Status: 404 Not Found");

?>

就可以讓使用者瀏覽器出現檔案找不到的404錯誤,但是我試了這樣是不行的。

後來我到w3.org上查了http的相關資料,終於試出來了如何Header出狀態碼(Status),與大家分享。

其實應該是這樣的:

Header("http/1.1 403 Forbidden");

?>

第一部分為HTTP協議的版本(HTTP-Version)

第二部分為狀態碼(Status)

第三部分為原因短語(Reason-Phrase)

三部分中間用一個空格分開,且中間不能有斷行符號,第一部分和第二部分是必需的,第三部分則是給人看的,可寫可不寫甚至亂寫。

還有,這一句的輸出必須在Html檔案的第一行。

下面我給出各代碼所代表的意思(是從w3.org上查到的,夠權威了):

  * 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


       | "100" ; Continue

       | "101" ; Switching Protocols

       | "200" ; OK

       | "201" ; Created

       | "202" ; Accepted

       | "203" ; Non-Authoritative Information

       | "204" ; No Content

       | "205" ; Reset Content

       | "206" ; Partial Content

       | "300" ; Multiple Choices

       | "301" ; Moved Permanently

       | "302" ; Moved Temporarily

       | "303" ; See Other

       | "304" ; Not Modified

       | "305" ; Use Proxy

       | "400" ; Bad Request

       | "401" ; Unauthorized

       | "402" ; Payment Required

       | "403" ; Forbidden

       | "404" ; Not Found

       | "405" ; Method Not Allowed

       | "406" ; Not Acceptable

       | "407" ; Proxy Authentication Required

       | "408" ; Request Time-out

       | "409" ; Conflict

       | "410" ; Gone

       | "411" ; Length Required

       | "412" ; Precondition Failed

       | "413" ; Request Entity Too Large

       | "414" ; Request-URI Too Large

       | "415" ; Unsupported Media Type

       | "500" ; Internal Server Error

       | "501" ; Not Implemented

       | "502" ; Bad Gateway

       | "503" ; Service Unavailable

       | "504" ; Gateway Time-out

       | "505" ; HTTP Version not supported

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