Just review the line in the file where the error points:
by (output stared at ......) in ...... on line ##
And fix it. It is sending output "before" the header in that line in
that file.
A header needs to output first at all, previous to any other text or
spaces sent to the output.
Regards,
warper
webmaster escribió:
> My next problem I am having is
> the header function....
>
>
> my command is
>
> if (!$card_num) {
> header ("Location: get_card.html");
> exit;
> }
>
>
> and I am get back Cannot modify header information - header is already
> by (output stared at ......) in ...... on line ##
>
>
> I have read something about whitespaces, in the location file,
> and it appears that there are no leading whitespaces in the location
> file
>
>
> Any suggestions,
> Ken
>
>
>
>
>
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