Re: If isset query_string return 404
- From: "d" <d@xxxxxxxxxxx>
- Date: Tue, 17 Jan 2006 15:02:31 GMT
"Justin Koivisto" <justin@xxxxxxxxx> wrote in message
news:3-OdnWt1V_fJm1DeRVn-ow@xxxxxxxxxxxx
>d wrote:
>> "Justin Koivisto" <justin@xxxxxxxxx> wrote in message
>> news:8fGdnfvFR67enVDeRVn-ow@xxxxxxxxxxxx
>>> d wrote:
>>>> "wd" <n23@xxxxxxxxxxxxxx> wrote in message
>>>> news:pan.2006.01.17.11.23.23.321125@xxxxxxxxxxxxxxxxx
>>>>> I want my server to send a 404 header if a URL with a query string is
>>>>> requested. So if a browser or spider requests something
>>>>> like
>>>>> www. my_site .com?p=chair
>>>>> they would get a 404...
>>>>>
>>>>> But if they request
>>>>> www. my_site .com/chair.htm
>>>>> everything would be normal.
>>>>>
>>>>> With some assistance this is what I have so far, but it isn't working
>>>>> correctly. It always displays the 404, even when there is no question
>>>>> mark in the URL. Also, I would like the page to stop displaying
>>>>> anything
>>>>> after the "HTML>>>" if it sends the 404 error, but I'm not sure how to
>>>>> do
>>>>> it:
>>>>>
>>>>> if (isset($_SERVER["QUERY_STRING"])) {
>>>>> header("HTTP/1.0 404 Not Found");
>>> [snip]
>>>
>>>> That's because $_SERVER["QUERY_STRING"] is *always* set, regardless of
>>>> whether there's a query string or not.
>>> Not true. With apache, QUERY_STRING will always be set; however, with
>>> other web server software (ie. MS IIS) it will never be set unless you
>>> have done so yourself.
>>
>> Incorrect. I tested it with Apache and IIS. BOTH have
>> $_SERVER["QUERY_STRING"] set regardless of whether a query string is
>> present
>> or not.
>
> Just because your IIS server has it does not mean that is the default.
> My install (and every other install that I have used) does not *ever*
> have it set. My version is (as reported by $_SERVER['SERVER_SOFTWARE'])
> "Microsoft-IIS/5.1"
See my other posts.
>>> Therefore, to be more portable, you may want to do something more like
>>> this:
>>>
>>> if(isset($_GET) && is_array($_GET) && count($_GET)){
>>> header("HTTP/1.0 404 Not Found");
>>> echo <<< HTML
>>> <html>
>>> <head>
>>> <title>404 Not Found</title>
>>> </head>
>>> <body>
>>> <h1>Not Found</h1>
>>> The requested URL was not found on this server.
>>> </body>
>>> </html>
>>> HTML;
>>> exit;
>>> }
>>
>> I don't want to sound rude, but that's ridiculous.
>
> ...but you just did.
>
>> Just check to see if
>> $_SERVER["QUERY_STRING"] is a non-empty string. If it is, then
>> hey-presto,
>> you're set. You don't need to call isset, is_array and count all in one
>> go.
>
> And then when you install to another server like Netscape? Zues? AOL?
> Roxen? thttpd? The list goes on. You cannot *expect* a server to have
> $_SERVER['QUERY_STRING'] set in all cases.
>
> --
> Justin Koivisto, ZCE - justin@xxxxxxxxx
> http://koivi.com
.
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