Topic awaiting preservation: php session objects

// constructor

    function Order ($id=0,$status="",$cart="",$cust_firstname="None",$cust_lastname="",$cust_id="",$address="",$suburb="", $postcode="",$state="",$comment="",$card_name="",$card_num="", $card_exp="") {



        $this->id = $id;

        $this->status=$status;

        $this->cart = array();

        $this->cust_firstname = $cust_firstname;

        $this->cust_lastname = $cust_lastname;

        $this->cust_id = $cust_id;

        $this->address = $address;

        $this->suburb = $suburb;

        $this->postcode = $postcode;

        $this->state = $state;

        $this->comment = $comment;

        $this->card_name = $card_name;

        $this->card_num = $card_num;

        $this->card_exp = $card_exp;



        return true;

    }





/* Adds a product to the shopping cart */

    function add_product ($id, $qty) {

        $new_product = false;

        if (Update_res_qty($id,$qty)) {

            global $Product;



            $prod = product_search_by_id($id);



            $name = $prod[$Product[name]] . " " . $prod[$Product[colour]] . " " . $prod[$Product[size]];



            $new_product = new Product($id,$qty,$prod[$Product[brand]], $prod[$Product[sale_price]],$name);



            $this->cart[$new_product->id] = $new_product;



        }

        return $new_product;

    }



/* product class - This classtakes care of the

*  individual products in each order

*/



class Product {

    var $id;

    var $qty;

    var $brand;

    var $sale_price; // Price each product is sold for after discount applied.

    var $name;



    function Product($_id, $_qty = 1, $_brand, $_sale_price = 0, $_name = "") {

        $this->id = $_id;

        $this->qty = $_qty;

        $this->brand = $_brand;

        $this->sale_price = $_sale_price;

        $this->name = $_name;

        return true;

    }



    /* function show() {

        $str = "<td>$this->id</td>

        <td>$this->name</td>

        <td>$this->sale_price</td>

        <td>$this->qty</td>";

        return $str;

    }*/



    function set_id ($id) {

        $this->id = $id;

        return true;

    }



    function set_qty ($qty) {

        $this->qty = $qty;

        return true;

    }



    function set_sale_price($price) {

        $this->sale_price = $price;

        return true;

    }



    function set_name($name) {

        $this->name = $name;

        return true;

    }



    function amount() {

        $tmp = number_format($this->qty * $this->sale_price,2);

        return $tmp;

    }

}