Dan wrote:
...
You should also look at this:
http://www.mnot.net/cache_docs/
Very informative.
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Solution 1:
Send a header() that avoids caching (can't remember it exactly)
Solution 2:
Call the image like this:
img src=image.jpg?arandomstringhereeachtime
Or if you were creating it with a php script:
img src=image.php?img=image.jpgarandomstringhereeachtime
My preferred way of doing it,
Tijnema wrote:
On 7/26/07, Dan [EMAIL PROTECTED] wrote:
I have a situation where there is a single image let's call it
somebody.jpg.
I want to be able to dynamicly create this image using php, basicilly
I have
PHP set to handle .jpg files also, so I then go through and create an
image
based
Well, this is only one specific image that constantly changes, the rest of
the page is handled regularly.
From what you've said if I go with this
header(Cache-Control: no-cache, must-revalidate); // HTTP/1.1
header(Expires: Mon, 26 Jul 1997 05:00:00 GMT); // Date in the past
That will effect
Is this header you're refering to the header of the page which contains the
image, or the image itself?
- Dan
Tijnema [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
On 7/27/07, brian [EMAIL PROTECTED] wrote:
Tijnema wrote:
On 7/26/07, Dan [EMAIL PROTECTED] wrote:
I have a
On 7/27/07, Chris Aitken [EMAIL PROTECTED] wrote:
header('Cache-Control: no-store, no-cache, must-revalidate,
Post-Check=0, Pre-Check=0');
brian
That's HTTP/1.1 only, but this is what I got from PHP site:
?php
header(Cache-Control: no-cache, must-revalidate); // HTTP/1.1
header(Expires:
I have a situation where there is a single image let's call it somebody.jpg.
I want to be able to dynamicly create this image using php, basicilly I have
PHP set to handle .jpg files also, so I then go through and create an image
based upon some info I get from a database call and then use
On 7/26/07, Dan [EMAIL PROTECTED] wrote:
I have a situation where there is a single image let's call it somebody.jpg.
I want to be able to dynamicly create this image using php, basicilly I have
PHP set to handle .jpg files also, so I then go through and create an image
based upon some info I
Awesome, seems to work. Thanks Tijnema!
- Dan
Dan [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
Well, this is only one specific image that constantly changes, the rest of
the page is handled regularly.
From what you've said if I go with this
header(Cache-Control: no-cache,
On 7/27/07, Dan [EMAIL PROTECTED] wrote:
Is this header you're refering to the header of the page which contains the
image, or the image itself?
- Dan
The image itself.
Also note, that if you use my solution 2, you still might get
problems, as the page that is calling might be cached, and in
On 7/27/07, brian [EMAIL PROTECTED] wrote:
Tijnema wrote:
On 7/26/07, Dan [EMAIL PROTECTED] wrote:
I have a situation where there is a single image let's call it
somebody.jpg.
I want to be able to dynamicly create this image using php, basicilly
I have
PHP set to handle .jpg files also,
On Thu, July 26, 2007 6:32 pm, Tijnema wrote:
Also, if you use solution 2, the image will still stay forever in the
Not forever.
Just until something else being downloaded shoves it out due to the
folder size restriction.
The browser might even be smart and keep oft-used resources in the
cache
On Thu, July 26, 2007 4:56 pm, Dan wrote:
Is there any tactic short of changing the name constantly of the image
to
avoid browser caching of an image?
You can try to use all the zillion header calls people will send you.
Somewhere out there is a really stupid browser that will insist on
header('Cache-Control: no-store, no-cache, must-revalidate,
Post-Check=0, Pre-Check=0');
brian
That's HTTP/1.1 only, but this is what I got from PHP site:
?php
header(Cache-Control: no-cache, must-revalidate); // HTTP/1.1
header(Expires: Mon, 26 Jul 1997 05:00:00 GMT); // Date in the past
?
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