Is <?php the very first line in the file? At some point here you're ending
up in the if() statment or the else() statment becuase those are the only
two places where you could have sent a header after they had already been
set. So I gotta figure you have some output before the if() statment.
-Kevin
----- Original Message -----
From: "Pushpinder Singh Garcha" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, November 18, 2002 2:18 PM
Subject: [PHP] Create Login Page
> Hi All
>
> I am trying to create a login page using php and mysql database.
>
> This is the code that I am trying to use:
> <?php
> // File Name: auth04.php
> // Check to see if $PHP_AUTH_USER already contains info
>
> if (!isset($PHP_AUTH_USER)) {
> // If empty, send header causing dialog box to appear
> header('WWW-Authenticate: Basic realm="My Private Stuff"');
> header('HTTP/1.0 401 Unauthorized');
> exit;
>
> } else if (isset($PHP_AUTH_USER)) {
> // If non-empty, check the database for matches
> // connect to MySQL
>
> mysql_connect("localhost", "mysql", "sunny")
> or die ("Unable to connect to database.");
>
> // select database on MySQL server
>
> mysql_select_db("masterstream")
> or die ("Unable to select database.");
>
> // Formulate the query
>
> $sql = "SELECT *
> FROM guest
> WHERE login='$PHP_AUTH_USER' and
> password='$PHP_AUTH_PW'";
>
> // Execute the query and put results in $result
> $result = mysql_query($sql);
>
> // Get number of rows in $result. 0 if invalid, 1 if valid.
>
> $num = mysql_numrows($result);
>
> if ($num != "0") {
> echo "<P>You're authorized!</p>";
> exit;
>
> } else {
>
> header('WWW-Authenticate: Basic realm="My Private Stuff"');
> header('HTTP/1.0 401 Unauthorized');
> echo 'Authorization Required.';
> exit;
> }
> }
> ?>
> This is the error that I get when I point my browser to this page both
> when the script is run locally and on th eremte webserver.
> btw: I am running Mac OS Jagaur
>
> Warning: Cannot add header information - headers already sent by
> (output started at /Users/pgarcha/Sites/auth.php:7) in
> /Users/pgarcha/Sites/auth.php on line 13
>
> Warning: Cannot add header information - headers already sent by
> (output started at /Users/pgarcha/Sites/auth.php:7) in
> /Users/pgarcha/Sites/auth.php on line 14
>
>
> Many Thanks
> --Pushpinder
>
>
>
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