Re: understanding session vars ?

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@grant.org.uk> 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@grant.org.uk > > <mailto:david@grant.org.uk>> 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 $_SESSION['menu']; > > > > > > ?> > > > > > > I would like the menu var (and others) to be persistant until it > > is reset or > > > updated. how do I acheave this . > > > > > > Thanks > > > > > > > > > > > > > > > > > > > > > -- > > > Gregory Machin > > > greg@linuxpro.co.za > > > <mailto:greg@linuxpro.co.za> > > > gregory.machin@gmail.com <Ï > > > À[s™$§íg³›íEQmailto:gregory.machin@gmail.com> > > > 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@linuxpro.co.za <mailto:greg@linuxpro.co.za> > > gregory.machin@gmail.com > > <mailto:gregory.machin@gmail.com> > > 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@linuxpro.co.za gregory.machin@gmail.com www.linuxpro.co.za www.exponent.co.za Web Hosting Solutions Scalable Linux Solutions www.iberry.info (support and admin) +27 72 524 8096