Re: If isset query_string return 404
- From: "d" <d@xxxxxxxxxxx>
- Date: Tue, 17 Jan 2006 14:43:12 GMT
"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
$_SERVER["QUERY_STRING"] set regardless of whether a query string is present
or not.
> Therefore, to be more portable, you may want to do something more like
> this:
>
> if(isset($_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. 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.
> --
> Justin Koivisto, ZCE - justin@xxxxxxxxx
> http://koivi.com
.
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