| Re: sessions causing refreshing not to work [message #178326 is a reply to message #178323] |
Mon, 04 June 2012 16:20   |
Peter H. Coffin
Messages: 245
Registered: September 2010
Karma:
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Senior Member |
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On Mon, 04 Jun 2012 07:56:49 +0200, Arno Welzel wrote:
> Peter H. Coffin, 03.06.2012 05:57:
>
>> On Sat, 02 Jun 2012 23:17:03 -0400, Michael Joel wrote:
>>> I have page data being sent through a php script that uses sessions to
>>> pass along variables. These vars are used to load data.
>>>
>>> If a user opens a page, everything works fine.
>>> If they open another in a new window it works fine.
>>> If they tab back over to the original browser window and hit refresh it
>>> switches to the last page they opened in the other window.
>>>
>>> This is because sessions is keeping that last var data in memory so the
>>> old page when refreshed reads the new var data and opens new data
>>> instead of refreshing the old.
>>>
>>> How would I go about fixing this so a page doesn't lose it's var data on
>>> refresh?
>>
>> Set session.use_trans_sid, unset session.use_cookie, don't forget to
>> grab the session ID out of the $_GET array for every page load. Yes,
>> your URLs will be ugly, and it'll be not impossible for someone to end
>> up screwing things somehow with URL bookmarking or sharing.
>
> Don't do this.
>
> 1) It won't change anything. The session itself will remain the same -
> therefore it makes no sense to transmit the ID via the URL.
It WILL, though, mean that users can have separate sessions in different
tabs in the browser, which is the effect of the original problem that
was requested help with.
> 2) Adding session IDs to forms may destroy validity of the documents
> (also see
> < http://www.mtdev.com/2002/06/why-you-should-disable-phps-session-use_trans_ sid>).
Yup, there's tradeoffs for everything.
--
53. If the beautiful princess that I capture says "I'll never marry
you! Never, do you hear me, NEVER!!!", I will say "Oh well" and
kill her.
--Peter Anspach's list of things to do as an Evil Overlord
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