Re: understanding session vars ?

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My test code is for test.php which is intended to call it's self, and starts
with sesstion_start().
buy does not disply x after link2 is clicked on, but only y..

what am I missing ?
Thanks

On 11/24/05, David Grant <david@xxxxxxxxxxxx> wrote:
>
> Gregory,
>
> Values in the $_SESSION superglobal will persist over pages so long as
> session_start() is called on each page.
>
> Cheers,
>
> David Grant
>
> Gregory Machin wrote:
> > I have a test script..
> > What i'm trying to achieve is once the user has clicked on link1 the
> > value of item must equal x and if the user clicks on link2 the value of
> > items must stay equal to x while setting action equal to y ..
> >
> > <?php
> > session_start();
> > echo 'Welcome to testpg';
> > $_SESSION['time']    = time();
> >
> >
> > if (isset($_GET['item'])){
> >    $_SESSION['item'] = $_GET['item'];
> > echo $_SESSION['item'];
> >    }
> >
> > if (isset($_GET['action'])){
> >    $_SESSION['action'] = $_GET['action'];
> >    echo $_SESSION['action'];
> >       }
> >
> >
> > ?>
> > <html><br /><a href="test.php?item=x&<?php echo strip_tags(SID);
> > ?>">link1</a></html>
> > <html><br /><a href="test.php?action=y&<?php echo strip_tags(SID);
> > ?>">link2</a></html>
> >
> > thanks
> >
> > On 11/24/05, * David Grant* <david@xxxxxxxxxxxx
> > <mailto:david@xxxxxxxxxxxx>> wrote:
> >
> >     Gregory,
> >
> >     Are you always setting $_SESSION['menu'] to the contents of
> >     $_GET['menu']?  If so, the second link will set $_SESSION['menu'] to
> >     null.  You need to check the contents of $_GET['menu'] first before
> >     setting, i.e.
> >
> >     if (isset($_GET['menu']))
> >         $_SESSION['menu'] = $_GET['menu'];
> >
> >     Cheers,
> >
> >     David Grant
> >
> >     Gregory Machin wrote:
> >     > Hi
> >     > I'm a bit stuck on session var, and thier implamentation, or my
> >     perseption
> >     > thier of.
> >     > I have a page and need certian vars to be persistat each time the
> >     page is
> >     > called.
> >     > This is done to detmin the content of the page through logic that
> >     calls
> >     > different includes.
> >     >
> >     > But I cant get the vars to be persistant.
> >     > note the page call it's self.
> >     >
> >     > ./index.php
> >     > <?php
> >     > session_start();
> >     > $_SESSION['menu']
> >     >
> >     > ?>
> >     > <html><A href=./index.php?menu=1>option 1</A></html> // this works
> >     > <html><A href=./index.php?other=do>differnt action</A></html> //
> >     this brakes
> >     > it . when the user links here the 'menu' var is cleared
> >     > <?php $_SESSION['menu'] = $_GET['menu'];
> >     > echo $_SESSION['menu'];
> >     >
> >     > ?>
> >     >
> >     > I would like the menu var (and others) to be persistant until it
> >     is reset or
> >     > updated. how do I acheave this .
> >     >
> >     > Thanks
> >     >
> >     >
> >     >
> >     >
> >     >
> >     >
> >     > --
> >     > Gregory Machin
> >     > greg@xxxxxxxxxxxxxx <mailto:greg@xxxxxxxxxxxxxx>
> >     > gregory.machin@xxxxxxxxx <mailto:gregory.machin@xxxxxxxxx>
> >     > www.linuxpro.co.za <http://www.linuxpro.co.za>
> >     > www.exponent.co.za <http://www.exponent.co.za>
> >     > Web Hosting Solutions
> >     > Scalable Linux Solutions
> >     > www.iberry.info <http://www.iberry.info> (support and admin)
> >     >
> >     > +27 72 524 8096
> >
> >
> >
> >
> > --
> > Gregory Machin
> > greg@xxxxxxxxxxxxxx <mailto:greg@xxxxxxxxxxxxxx>
> > gregory.machin@xxxxxxxxx <mailto:gregory.machin@xxxxxxxxx>
> > www.linuxpro.co.za <http://www.linuxpro.co.za>
> > www.exponent.co.za <http://www.exponent.co.za>
> > Web Hosting Solutions
> > Scalable Linux Solutions
> > www.iberry.info <http://www.iberry.info> (support and admin)
> >
> > +27 72 524 8096
>
>


--
Gregory Machin
greg@xxxxxxxxxxxxxx
gregory.machin@xxxxxxxxx
www.linuxpro.co.za
www.exponent.co.za
Web Hosting Solutions
Scalable Linux Solutions
www.iberry.info (support and admin)

+27 72 524 8096

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