On Mon, Aug 13, 2001 at 02:01:59PM +0530, Balaji Ankem wrote:
> Hi! Renze,
> Thanks a lot for u'r help. I am in vacation up to now.
> Now i am trying with u'r solution. I am getting the following error.
> I am sending the file also.
>
> Warning: Cannot send session cache limiter - headers already sent in
>c:\www\authentication.php on line 34
>
>
> File:authentication.php
> <?php
> header ("Cache-Control: no-cache, must-revalidate");
> header ("Pragma: no-cache");
>
> error_log ("emp_id: $emp_id", 0);
> error_log ("Lastname: $emp_pass", 0);
>
> // Connect to MySQL
>
> mysql_connect( 'localhost', 'balaji', 'pingpong' )
> or die ( 'Unable to connect to server.' );
>
> // Select database on MySQL server
>
> mysql_select_db( 'imac' )
> or die ( 'Unable to select database.' );
>
> // Formulate the query
>
> $sql = "SELECT * FROM employee WHERE
> emp_id = '$emp_id' AND emp_pass = '$emp_pass'";
>
> // Execute the query and put results in $result
>
> $result = mysql_query( $sql )
> or die ( 'Unable to execute query.' );
>
> // Get number of rows in $result.
>
> $num = mysql_numrows( $result );
>
> if ( $num != 0 ) {
> // A matching row was found - the user is authenticated.
> session_start();
> session_register('$emp_id');
>
> $row = mysql_fetch_object($result);
>
> if ($row->user_type=='S')
> {
> include('super.php');
>
> }
> else if ($row->user_type=='O')
> {
> include('ordinary.php');
>
> }
> }
>
> else
> {
> file://User does not exist or not authenticated.
> echo '<center><h1>Authorization Required.</h1></center>';
> file://header( 'WWW-Authenticate: Basic realm="Private"' );
> file://header( 'HTTP/1.0 401 Unauthorized' );
> exit;
> }
>
> ?>
Well... You can't sent any headers after some output has already
been sent. I didn't take a very good look at your code, but looking
at the warning you get and the position of session_start() in your
code, I'd say you have to move the session_start() up. You can best
start your code with session_start() and then the rest of your
script.
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