having difficulty passing session variable

[Neil Barron]

I have made a simple login using the following code.

<?php
    include 'db.inc.php';
    if(isset($_POST['submit']))
    {
        $email = $_POST['email'];
        $acode = $_POST['acode'];
        
        $sql = "SELECT acode FROM dealers WHERE email='$email'";
        $result = @mysql_query($sql);
        
        if (!$result) {
            exit('<p>Error performing query: ' .
            mysql_error() . '</p>');
        }
        
        while($row = mysql_fetch_array($result)){
            $bcode = $row['acode'];
        }
        if($bcode == $acode)
        {
            $_SESSION['authorized'] = TRUE;
        }
    }//end of if isset submit
    if(isset($_REQUEST['logout']))
    {
        unset($_SESSION['authorized']);
    }
    if(isset($_SESSION['authorized']))
    {
?>        
DISPLAY THE PAGE CONTENT

Part of the page content to be displayed is a menu. One of the links leads to a file called nrb.php.

What I want to do is get nrb.php to either display its contents or redirect back to index.php to login, depending on whether or not the dealer is logged in; but I can't get it to work.

No matter what I try, typing localhost/folder/nrb.php into the address bar of the browser just shows it to me.

I was basing it on various incarnations of, "if the session variable is not set to true, send them to index.php to login," but no joy.

Any answers greatly appreciated.

[jaswinder_rana]

where are you putting session_start()

it shoupld be very first line on EACH AND EVERY PAGE, where you want to use session.
(first line means before anything goes out to browser and before you start using SESSION VARIABLES)

[Neil Barron]

Thank you. I didn't have start_session at the top of the index page. Thanks for the prompt reply as well. Thought this one was going to keep me awake tonight!

[jaswinder_rana]

Glad to help you.
enjoy you night