Bibhas,

I'm sure I've read somewhere that this is a deliberate security feature with using 
sessions - i.e. you can't view contents of form fields by using the back button on 
your browser.

Couldn't you use JavaScript to ensure that the data is validated on the client side 
before the form is submitted?  

Regards,

Michael Egan

-----Original Message-----
From: Bibhas Kumar Samanta [mailto:[EMAIL PROTECTED]
Sent: 25 June 2003 14:26
To: [EMAIL PROTECTED]
Subject: [PHP] sessions and browser back[Scanned]


Hi,

I am trying to create restricted pages for my php/mysql/apache
server with sessions and passing session varibales to other pages for 
validation.

Eventually I am doinng session_start() at the begining and
checking whether logged in user is authorised to use this page
by a routine.

Now problem is, if filled in data in the form is incorrect, the forms 
gives an error. But when I press browser BACK button to get the
filled in form , the form seems to get reset with _no_ data.

When I try without session_start() at the begining  of form , things
seem to behave normally.

Does session_start() reset the form  and I guess browser should
have returned be by fiiled in page from cache ?

Please help

-Bibhas

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