Hello Peter.
I discribe my reply below:
> **************************
> Warning: Cannot add header information - headers already sent by (output
> started at C:\apache\htdocs\proj\sports\phps\verify.php:2) in
> C:\apache\htdocs\proj\sports\phps\verify.php on line 26
> ***************************
This warning message appear when the server already send data to the client.
> 1. <html>
> 2. <?php
> ....
>
>
> 23. if (!$auth) {
> 24. header("www-Authenticate: Basic realm='Private'");
> 25. header("HTTP/1.0 401 Unauthrized");
> ...
> ?>
> </html>
In the above code, the <html></html> tag has been sent to the client browser
already, thus when calling header function it would cause a warning telling
you that data has been rendered already.
Hope this help.
Ryan
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