VirtueMart - 1.0 Guida Utente Scaricare il pdf (Pagina 7)

If you wonder what the variable $vars is: it's just a working copy of the superglobal $_REQUEST Array and

used as the array $d inside of the functions.

3.3.3. Other important Environment variables

Array $cart The current cart contents. The array has the following structure:

[cart] => Array (

[idx] => 1

[0] => Array (

[quantity] => 1

[product_id] => 10

[description] => Size:big; Power:100W

)

In this example, the car contains one product with the quantity of 1, the product ID 10

and a description.

The index "idx" is an integer and contains the size of the cart (number of different

products in it, regardless of their quantity). This variable is always available in the

global $_SESSION array: $_SESSION['cart'].

Array $auth All the user information in one Array, always available in the global $_SESSION ar-

ray.

[auth] => Array (

[show_prices] => 1

[user_id] => 0

[username] => demo

[perms] =>

[first_name] => guest

[last_name] =>

[shopper_group_id] => 5

[shopper_group_discount] => 0.00

[show_price_including_tax] => 1

[default_shopper_group] => 1

[is_registered_customer] =>

)

These are the example settings for an unregistered, not-logged-in user.

ps_session $sess Mainly used to format and print URLs for the Shop.

3.3.4. Logging events with the vmLogger object

VirtueMart allows logging events that occur during the execution of the script. The global variable

$vmLogger, which is used for logging purposes is an object of the class Log_display. This class is a child

class of the Log class, which is a PEAR extension.

Note

You must declare

global $vmLogger;

to be able to use this variable inside of a function.

VirtueMart Developer Manual

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VirtueMart - 1.0 Guida Utente Pagina 7