[PHP] Storing values in Session

[Sachin Keshavan]

Hello,

I want to add a set of values to the session variable $BOOKS. This is the
code which I used.

        if($BOOKS=="")
        {
                #this seems to be the first book which the user has selected
                $BOOKS = $bookid; #this param comes from the URL
        }
        else
        {
                $BOOKS = $BOOKS+","+$bookid;
        }

Here the 'if..' part gets executed, and because of that I cannot add details
of another book. I have initialised the session and added the registered the
value "BOOKS" in the previous page.

Thanks in advance,
Sachin.

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