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Posted by Eoghan on 03/03/05 15:50
i think ive missed a few mails there...?
rory walsh wrote:
> Cheers, I'll take a look, I had tried a search but thunderbird didn't
> find anything, even with the exact thread title I had to google it?
> Anyway I'll take a look.
>
> Jochem Maas wrote:
>
>> rory walsh wrote:
>>
>>> Thanks Eoghan, I have tried the following but it still reposts the
>>> data from the form and goes back a page?
>>>
>>> header("Cache-control: private");
>>> header("Cache-Control: no-store, no-cache, must-revalidate");
>>> header("Cache-Control: post-check=0, pre-check=0", false);
>>> header("Pragma: no-cache");
>>>
>>> Am I write in assuming that the above headers should prevent the
>>> user from going back in the first place as no cache has been taken?
>>
>>
>>
>> no - just that if they do then the page will have to be reloaded (under
>> std conditions the user then gets the 'Are you sure you want to
>> repost?' kind
>> of message)
>>
>> before asking anything more on this topic, look up a thread on this
>> lists archive entitled
>>
>> 'Clear POST variables on page refresh'
>>
>> this should give you headsup on the issues + a good suggestion by
>> Richard
>> Lynch on how to handle this (his idea uses md5 hashes to 'auth'
>> specific POST
>> actions, when the POST occurs the given hash is invalidated... read
>> original thread
>> for full info)
>>
>>>
>>>
>>> Eoghan wrote:
>>>
>>>> you can use header()
>>>> http://ie.php.net/header
>>>>
>>>>
>>>> rory walsh wrote:
>>>>
>>>>> Is there anyway I can prevent data from being reposted when I hit
>>>>> the back button on my browser? When I hit back I get a message
>>>>> from my browser asking do I want to repost the data, can I prevent
>>>>> this window from appearing?
>>>>>
>>>
>
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