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Posted by Jerry Stuckle on 01/21/08 23:23
The Natural Philosopher wrote:
> Jerry Stuckle wrote:
>> MZ wrote:
>>> Hello all!
>>>
>>> I wrote a script to add or update photos no more than 50 KB size.
>>> After adding photo I have possibility to update it (I mean change the
>>> photo into the other one, so not adding another photo). After
>>> updating I see still old photo, but this old photo is enlarged, I
>>> mean that this old photo has sizes (widht & height) of a new photo
>>> (just updated) but I still see this old photo, and not a new photo
>>> just updated.
>>>
>>> This problem occurs in IE 7.0.. When I update photos in Firefox,
>>> everything works fine. I can add, update photos and always I see
>>> proper photos, that is I see new photos after updating them.
>>>
>>> I have such code:
>>>
>>> <?
>>> function setExpires($expires) {
>>> header(
>>> 'Expires: '.gmdate('D, d M Y H:i:s', time()+$expires).'GMT');
>>> }
>>>
>>> setExpires(1);
>>> header('Cache-Control: no-store, no-cache, must-revalidate');
>>> header('Cache-Control: post-check=0, pre-check=0', FALSE);
>>> header('Pragma: no-cache');
>>>
>>> include ("configuration.php"); //setting session_start() and other
>>> things
>>>
>>> include ("gallery.php"); //script to add and update photos
>>>
>>> ?>
>>>
>>> and after above code I have such code:
>>>
>>> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
>>> <HTML>
>>> <HEAD>
>>> <TITLE>Tytul</TITLE>
>>>
>>>
>>> I have tried to change header() but it didn`t solve the problem.
>>>
>>> Please help me.
>>> Any help apprieciated
>>>
>>> Thank you in advance
>>> Marcin.
>>>
>>>
>>
>> Clear your browser cache. This isn't a PHP problem.
>>
> Yes. Is there a way to tell the browser to 'refresh this file everytime'
> in the download?
>
No. All you can do is recommend. The browser is free to accept or
reject the recommendation.
Also, you can't do it for images without sending a custom header - which
means a PHP script to serve the image.
--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================
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