| Regarding Session reset [message #175045] |
Fri, 05 August 2011 15:08  |
Nitin
Messages: 1
Registered: August 2011
Karma: 0
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Junior Member |
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Hi,
This is Nitin here,I want to reset the session variables as soon
browser got refresh. if any one knows how to do that. please guide me.
Thanks
Nitin
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| Re: Regarding Session reset [message #175046 is a reply to message #175045] |
Fri, 05 August 2011 16:01  |
Denis McMahon
Messages: 634
Registered: September 2010
Karma: 0
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Senior Member |
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On Fri, 05 Aug 2011 08:08:47 -0700, Nitin wrote:
> This is Nitin here,I want to reset the session variables as soon browser
> got refresh. if any one knows how to do that. please guide me.
You can't do this reliably.
The best you can do is use session expiry times on the server.
You can *try* and use an onunload event handler in the page to trigger a
call to a url that will reset the session variables, but if the client
computer is disconnected from the network before the page is unloaded it
has no way to handle the event - for example a wifi connected system
where the signal drops and then the user closes the browser.
The only way to catch this is expiring the session on the server after a
predetermined amount of inactivity.
Rgds
Denis McMahon
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| Re: Regarding Session reset [message #175047 is a reply to message #175046] |
Fri, 05 August 2011 16:15 |
me
Messages: 192
Registered: September 2010
Karma: 0
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Senior Member |
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On 8/5/2011 12:01 PM, Denis McMahon wrote:
> On Fri, 05 Aug 2011 08:08:47 -0700, Nitin wrote:
>
>> This is Nitin here,I want to reset the session variables as soon browser
>> got refresh. if any one knows how to do that. please guide me.
>
> You can't do this reliably.
>
> The best you can do is use session expiry times on the server.
>
> You can *try* and use an onunload event handler in the page to trigger a
> call to a url that will reset the session variables, but if the client
> computer is disconnected from the network before the page is unloaded it
> has no way to handle the event - for example a wifi connected system
> where the signal drops and then the user closes the browser.
>
> The only way to catch this is expiring the session on the server after a
> predetermined amount of inactivity.
I'm not smart enough to know if this is a good or reliable way to do it.
http://php.net/manual/en/function.session-destroy.php
Search the page for "browser refresh". The contributor offers a function
to do such a thing (at least as I read it).
Bill B
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