need help with link generation & get variables

[sebbothebutcher]

hi!
i have a page, and wenn somebody clicks an element in the page's menu

?submenu=whateverwascliked

is attached to the current adress.
now what i want is to generate a link that should (if there are no get variables attached) load

index.php?lang=en

and if there is already a variable (for example some?submenu) it should write:

index.php?submenu=whateverwasclicked&lang=en

since

$_SERVER['PHP_SELF']

doesn't respect the get variables, i can't use that...
any suggestions for this problem?
thanks in advance

[sebbothebutcher]

okay i've found a way round it now, but it would be still nice to have a solution since it may be useful for other people or even for me in my further life which i hope to last very long since i'm 15 now... ;-)

[jatar_k]

>>i have a page, and wenn somebody clicks an element in the page's menu

so do you hard code the get var into the <a> or do you do something else.

If you are looking for a default setting you could do

if (!isset($_GET['lang'])) $language = 'en';

then links can be

<a href="index.php?submenu=whateverwasclicked&lang=<? echo $language;?>">

is that what you mean?

[sebbothebutcher]

what i meant was the following:
if the visitor is on a page with the adress

http://mydomain.com/dir/index.php

and he clicks a specific link, "?lang=en" is added, but if there is already something attached, for example the adress is

http://mydomain.com/dir/index.php?id=1

then

&lang=en

should be added...
this script should work with every adress... any suggestions?
i've found another way now to solve this language change problem, but it still would be great for the future!

[CompressedAir]

Hmm..
so something like:

if ($_SERVER['REQUEST_URI']=="/dir/index.php") {
 $lang="en";
}

or

if (!isset($_GET['lang']) ) {
$lang="en";
}

then in your links:

printf("<a href=\"/dir/index.php?id=%slang=%s\">Link</a>", $id, $lang);

Something like that should work :)

[WhosAWhata]

if you want to find all of the vars passed by get

if(count($_GET)) {
foreach ($_GET as $k => $v){
$add .= "&".$k."=".$v;
}
}
//then on your links
echo "<a href=\"index.php?lang=en".$add."\">";

[sebbothebutcher]

okay... thanks to all of you for your help!