You can also use

$page = 'http://' . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];

----- Original Message ----- 
From: "John Holmes" <[EMAIL PROTECTED]>
To: "'Dennis Moore'" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Saturday, April 27, 2002 8:49 PM
Subject: RE: [PHP] Sessions and Query String Variable Handling


> $page = $_SERVER["SERVER_NAME"] . $_SERVER["SCRIPT_NAME"] .
> $_SERVER["QUERY_STRING"];
>  
> That will recreate the URL that the user clicked on. Save that to a
> variable before you check for a session. Once you start a session or
> verify that one exists, use header() to send them back to that page. 
>  
> ---John Holmes.
>  
> -----Original Message-----
> From: Dennis Moore [mailto:[EMAIL PROTECTED]] 
> Sent: Saturday, April 27, 2002 2:37 PM
> To: [EMAIL PROTECTED]
> Subject: [PHP] Sessions and Query String Variable Handling
>  
> Env:  Apache 1.3.x/php4.0.6/mysql3.23.x
>  
> Scenario:  I have built a system that uses PHP sessions for user access.
> Within the system I send user notifications via email.   Within the
> email are links to certain pages with variables.  For example.
>  
> http://mysite.com/view_page.htm?id=6
>  
> My system checks to see if the session is valid.  Since the user is
> coming from an email.  There is no session.  So the user is prompted for
> the user and password.  They enter and click submit.  The authentication
> passes the user to right page, but losses the variables in the query
> string.  Thus causing errors.
>  
> Here is the authentication code...
> #### set session settings from login form
> if (!session_is_registered("valid_user") && $session_login=="proc") {
>  if ($userid && $password) {
>     // if the user has just tried to log in
>  
>     $db_conn = mysql_connect("localhost");
>     mysql_select_db("$dbname", $db_conn);
>     $query = "select * from auth_users "
>            ."where auth_username='$userid' "
>            ." and auth_password='$password' ";
>     $result = mysql_query($query, $db_conn);
>     if (mysql_num_rows($result) >0 ) {
>       // if they are in the database register the user id
>       $valid_user = $userid;
>       $valid_group=mysql_result($result,0,"auth_group");
>    $valid_perms=mysql_result($result,0,"auth_perms");
>    $valid_auth_id=mysql_result($result,0,"auth_id");
>       session_register("valid_user");
>    session_register("valid_group");
>    session_register("valid_perms");
>    session_register("valid_auth_id");
>     } else {
>    $invalid_login= "Invalid login:  Could not log you in...
>    <!--ERROR: $dbname <P> $query-->";
>   }
>  }
> }
>  
> Any Ideas on how to pass the query string variables through the
> authentication process?  
> 


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