I also forgot to mention. I am leaning towards using GET to send the session
ids. Many people have told me that customer penatration decreases, some
times significantly, when requiring cookies to use the cart. How would this
have an effect on my script? i will have to call the sessid in all of my
links, correct?
> ok, this all looks good, but then I again I am having a problem figuring
out
> that code you wrote below. the code i'm attempting to write isn't going to
> be complex. there's maybe 10 or 15 items going to be sold. it would be
very
> rare if the customer ever had 1 or 2 things in their basket, let alone
more
> than that. i think i'm looking for a simpler solution. from what i had
read,
> though i couldn't get to work, this would be an acceptable method of
> starting a sessions and trapping the variables without a million
> session_register calls.
>
> session_start();
> session_register("sessvar");
> $sessvar["user"]["name"] = $login_name;
> $sessvar["cart"]["item1"] = $prod_id;
> $sessvar["cart"]["qty1"] = $qty;
>
> Then.. I should be able to access them like:
>
> print "$sessvar['user']['name']";
> etc...
>
> does this make sense to you? or anyone else?
> all i need is a sure fire way to easily hold a few variables throughout
the
> site. i'm not concerned about holding the keys in a db, as with the small
> activity on this site, and the fact the writing to a local file will not
> rpoduce any noticable difference over a db query on my machine w/ its
> traffic, the db is not needed for this.
>
> so.. all i need is a good simple method to register the following
varables:
> uid (user id)
> p1 (product id for item 1)
> q1 (qty for item 1)
>
> and a method to increase the next variable to p2, q2, p3,q3 etc to
represent
> other items in the cart.
>
> i think i should be able to figure out how to manipulate/extract the data
> and work with it from there (in an array) once i am able to get them
> registered. really i would just need a method for walking through the
> array(s) to pull out the data. but if anyone has any suggestions on that
too
> i'd love to hear em.
>
> thanks for the help everyone.
>
>
> > > Hey,
> > >
> > > I'm looking for little information from those who have coded their own
> shopping cart apps. what would you say the best way to setup a cart would
> be? more specificly, the method for adding items to the cart.
> > >
> > eww, lost wrapping ...
> >
> > > say the user is broswing around. when they entered the website a new
> session was created. when they go to add an item, what is the best way
store
> variables (such as what they bought and quantity) in the session. i have
> read that it is possible to put all of your session variables in a single
> associative array. however, i have not had any luck doing this myself.
Under
> such a method of an array, how would i store each item (product id and
> quantity, possibly price as well) in the cart into the session. obviously
i
> don't expect anyone to write an entire app. i am comfortable starting the
> session, and doing th db extraction and presentation. i just need to know
> how to store a variable in a session (passed through post) and how to
> extract it when need be (considering it is an array). Thanks a lot!
> >
> > I codded a shopping cart which allowed `thin sessions' and `fat
sessions'.
> >
> > Thin would mean I store only the IDs, then retrieve the rest of the
> > information about the product from the DB (more DB queries, but smaller
> > session data), while `fat' would mean I store all the data I need to
> display
> > when the user invetories his/her cart, namely name, price &|short desc.,
> > quantity.
> >
> > Some code snippets would be:
> >
> > if (!$SES->isRegistered ('cart.object')) {
> > $CART = new Cart();
> > $CART->setLanguage (CART_LANGUAGE);
> > $SES->setAttribute ('cart.object', $CART);
> > }
> >
> > $CART = &$SES->getAttribute ('cart.object');
> >
> > then go ahead and use the cart object:
> > ...
> > $CART->addItem ($sku, 1, new Product($arr_attr));
> > $CART->dropItem ($sku);
> >
> > And the Product class has among others, these two methods:
> >
> > __setStorageType ($t)
> >
>
> > if ($t == CART_FAT_SESS) {
> > $this->_slots = array_keys (get_object_vars ($this));
> > unset ($this->_slots['_desc']);
> > }
> > }
> >
> > function __sleep ()
> > {
> > return (isset ($this->_slots) ? $this->_slots : array ('_quant'));
> > }
> >
> > This is in the manner of Session class from PHPLIB which records what is
> to
> > be saved in the session (in this case, what attributes.)
> >
> > And the Cart class has:
> >
> > function __wakeup ()
> > {
> > if ($this->STORAGE == CART_THIN_SESS) {
> > $pr_attrs = Cart::getItemsAttr (array_keys($this->_items));
> >
> > foreach ($pr_attrs as $sku => $attrs) {
> > $attrs['quant'] = $this->_items[$sku]->getQuantity();
> > $this->_items[$sku] = new Product ($attrs);
> > }
> > }
> > }
> >
> > Note that __sleep() and __wakeup() are PHP serialisation hooks, which
can
> customize
> > the marshalling/unmarshalling process (e.g. restore DB connections,
etc.)
> >
> > cheers,
> >
> > -- teodor
> >
> > --
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> >
> >
>
>
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