Re: Image Headers break when image is out of bounds
| From: | Ashley Sheridan | Date: | Tue, 11 Aug 2009 18:08:13 +0000 |
| Subject: | Re: Image Headers break when image is out of bounds | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-296647@lists.php.net to get a copy of this message | ||
On Tue, 2009-08-11 at 19:02 +0100, Ashley Sheridan wrote:
> I've got a bit of a weird one here. I'm using PHP to output an image.
> This works fine when I output as a file, but when I try to feed it
> directly to the browser it fills the screen with random characters.
>
> I know I've got the headers right, as it works some of the time. The
> only thing I can spot when it does fail is that some of the image
> drawing commands are essentially drawing off the edge of the image area.
> I've checked the error logs, and the only errors/notices I can find
> today are a bug in phpMyAdmin and a missing favicon file, nothing to do
> with this script.
>
> Has anybody ever noticed a similar problem?
>
> Thanks,
> Ash
> http://www.ashleysheridan.co.uk
>
>
Oh. I should note that there has been no headers sent already, as I put
the image output part inside of a if(!headers_sent()) block. The headers
I'm using for the PNG image are:
header("Content-Type: image/png");
header("Pragma: no-cache");
header("Expires: 0");
Thanks,
Ash
http://www.ashleysheridan.co.uk