So i have urls structured like this:

example.com/info.php?a99dm

now the last part(a99dm) is what i need to view in my script. is to possible to get this data?

Mistaken advice. - Disregard post

I'm not sure that's possible (I'm not saying it can't be done, just that I dont know of a way) because that would normally be the variable name, not it's value, as in
$_GET['a99dm'] = '...';

When you have info.php?a99dm the variable is not getting any value, so I doupt you could check it with isset(), but It wouldn't hurt to try. Otherwise, can you not simply use info.php?my_var=a99dm and retrieve it through $_GET['my_var']?

thanks but i got it to work using explode

Still probably advisable to do it the "proper" way. Technically that's a malformed URL.

You would probably be better off passing parameters the proper way and using mod rewrite to format your URLs

yes it can be done.
the proper way is like this

PHP Code:

<?php
$vars = $_GET;
function isreq($str)
{
    $req = "a.p.b.g";
    $pos = strpos($req, $str);
    if($pos===false)
    {
        return false;
    }
    return true;
}
foreach ($vars as $var => $val)
{
    if (!isreq($var))
    {
        $uid = $var;
        break;
    }
}
echo "$uid";
?>

that $uid will be the last part.

Actually you can retrieve a value from the URI that is defined as a parameter name only

PHP Code:

$value = key($_GET); 


will return the keyname of the first parameter in the querystring.