how to open a dialog box

R.G. Vervoort

How can i open an authentication dialog box. I used the following code:

<?php

header('WWW-Authenticate: Basic realm=Private');
header('HTTP/1.0 401 Unauthorized');
exit;

?>
This keeps giving an error message like:

Warning: Cannot modify header information - headers already sent by (output
started at /var/www/html/inlog1/form.php:2) in /var/www/html/inlog1/form.php
on line 4

Warning: Cannot modify header information - headers already sent by (output
started at /var/www/html/inlog1/form.php:2) in /var/www/html/inlog1/form.php
on line 5
What am i doing wrong
roy
netherlands

Jul 17 '05 #1

Subscribe Post Reply

8930

Allan Rydberg

your scripts generate output before it gets to the header()
lines. check all print statements and check for newlines
before/after the <? ?>

R.G. Vervoort wrote:

How can i open an authentication dialog box. I used the following code:

<?php

header('WWW-Authenticate: Basic realm=Private');
header('HTTP/1.0 401 Unauthorized');
exit;

?>
This keeps giving an error message like:

Warning: Cannot modify header information - headers already sent by (output
started at /var/www/html/inlog1/form.php:2) in /var/www/html/inlog1/form.php
on line 4

Warning: Cannot modify header information - headers already sent by (output
started at /var/www/html/inlog1/form.php:2) in /var/www/html/inlog1/form.php
on line 5
What am i doing wrong
roy
netherlands

Jul 17 '05 #2

Inuyasha4Life

R.G. Vervoort wrote:

How can i open an authentication dialog box. I used the following code:

<?php

header('WWW-Authenticate: Basic realm=Private');
header('HTTP/1.0 401 Unauthorized');
exit;

?>
This keeps giving an error message like:

Warning: Cannot modify header information - headers already sent by
(output started at /var/www/html/inlog1/form.php:2) in
/var/www/html/inlog1/form.php on line 4

Warning: Cannot modify header information - headers already sent by
(output started at /var/www/html/inlog1/form.php:2) in
/var/www/html/inlog1/form.php on line 5
What am i doing wrong
roy
netherlands

Ensure there's nothing before the <? in the file. I.E., the following would
NOT work:

<HTML>
<?php
header( ...........
...
?>

This is because as soon as the program encounters the <HTML>, it's sent --
no more information can be processed to the header. Also make sure there's
no blank lines before <?php. It must be the first line. Period.

-- Inuyasha4Life

Jul 17 '05 #3

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how to open a dialog box

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