Re: After INSERT form submit - Data doesn't refresh!

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Code, please? :)

On Tue, Jul 22, 2008 at 9:33 AM, Rahul S. Johari <
sleepwalker@xxxxxxxxxxxxxxxx> wrote:

>
> Hmm, interesting.
> In my case, $file does indeed output dynamic data.
>
> I did try with the modified time but it still doesn't work. I still have to
> hit refresh on the browser, after submitting the form, in order for the
> inserted record to appear.
>
> Not sure what to do - it's rather annoying. Novice users of the page would
> assume the entry didn't get inserted or something happened. One alternate is
> to submit Data to a different page and let that page redirect to the
> Original page - but I do find it hard to believe that there is no solution
> to this caching.
>
> Thanks guys!
>
>
> On Jul 22, 2008, at 8:26 AM, Yeti wrote:
>
>  The Last-Modified header tells the browser when the requested page was
>> last modified. Now I don't know how you get the date in your case but here
>> is an example:
>>
>> browser requests /test/test.php which is a simple php file without any
>> includes etc.
>>
>> in this case
>>
>> $file = '/test/test.php';
>>
>> This wont work if $file outputs dynamic data, so only use it if the
>> content only changes when you change the file.
>>
>> Now if you are using templates etc. obtaining the Last-Modified time is a
>> bit more complicated. If you use server side caching then you can chose the
>> cached file else you have to figure it out yourself.
>>
>> And the RFC 2616 header specification says:
>>
>> An origin server MUST NOT send a Last-Modified date which is later than
>> the server's time of message origination. In such cases, where the
>> resource's last modification would indicate some time in the future, the
>> server MUST replace that date with the message origination date.
>>
>> So do not send a future date!
>>
>>
>>
>> On Tue, Jul 22, 2008 at 2:11 PM, Rahul S. Johari <
>> sleepwalker@xxxxxxxxxxxxxxxx> wrote:
>>
>> I tried with just the first three header() statements you gave, but it
>> didn't work.
>> Let me try the modification date ... which file is being referred to in
>> $ffile?
>>
>> Also, I'm using Firefox, if it's of any consequence.
>>
>> Thanks!
>>
>> On Jul 22, 2008, at 7:30 AM, Bernhard Kohl wrote:
>>
>>  I'm pretty sure this is a cache issue ..
>>>
>>> To disable caching:
>>> header('Cache-Control: no-cache, no-store, max-age=0, must-revalidate');
>>> header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
>>> header('Pragma: no-cache');
>>>
>>> But if you have the modification date then use
>>> $time = filemtime($ffile);
>>> header('Last-Modified: '.gmdate('D, d M Y H:i:s', $time).' GMT');
>>>
>>>
>>> On Tue, Jul 22, 2008 at 1:14 PM, Rahul S. Johari <
>>> sleepwalker@xxxxxxxxxxxxxxxx> wrote:
>>> Ave,
>>>
>>> I'm wondering if there's a PHP solution to this, I could be in the wrong
>>> place.
>>> I have an INSERT form which submits to the same php page, which also
>>> displays the records from the mySQL database the INSERT form submits to.
>>> When the form submits and the page returns, the added record does not show
>>> up unless you "Refresh" the page.
>>>
>>> I'm imagining even after form submit, the Browser is caching the data and
>>> displaying data from the Cache.
>>>
>>> Is there a solution to this? Is there anything PHP can do to instruct the
>>> browser not the cache the data?
>>>
>>> Thanks!
>>>
>>> ---
>>> Rahul Sitaram Johari
>>> Founder, Internet Architects Group, Inc.
>>>
>>> [Email] sleepwalker@xxxxxxxxxxxxxxxx
>>> [Web]   http://www.rahulsjohari.com
>>>
>>>
>>>
>>>
>>>
>>> --
>>> PHP General Mailing List (http://www.php.net/)
>>> To unsubscribe, visit: http://www.php.net/unsub.php
>>>
>>>
>>>
>> ---
>> Rahul Sitaram Johari
>> Founder, Internet Architects Group, Inc.
>>
>> [Email] sleepwalker@xxxxxxxxxxxxxxxx
>> [Web]   http://www.rahulsjohari.com
>>
>>
>>
>>
>>
>>
> ---
> Rahul Sitaram Johari
> Founder, Internet Architects Group, Inc.
>
> [Email] sleepwalker@xxxxxxxxxxxxxxxx
> [Web]   http://www.rahulsjohari.com
>
>
>
>
>


-- 
Thiago Henrique Pojda

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