Re: Warning: Cannot modify header information - headers already sent my (output started at ...

On Wed, 30 Nov 2005 23:23:49 +0100, Peter van Schie wrote:

> Ian Rutgers wrote:
>> I am creating a page that will display thumbnails of images in a folder. I
>> can read the images in the folder but when I try to use the <?
>> header("Content-type: image/jpeg");?> ... I get the error message as
>> detailed in the subject line.
>>
>> From what I've researched, it has to do with whitespace on that line ... but
>> I don't see any ... help!!!
>
> Hi Ian,
>
> That or anything else that sends out header information, like a
> session_start call or another header call.
>
> HTH.
> Peter.

or to be a little more specific, any output to the browser at all. The
headers have to be the first thing sent out.

Paul
.

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