do not ander

<?
$db = new sqlite_db("db.sqlite");
$db->query
("BEGIN;
    CREATE TABLE products ( id          INEGER PRIMARY KEY AUTOINCREMENT,
                            type        TEXT,
                            firstname   TEXT,
                            mainname    TEXT,
                            title       TEXT,
                            price       float,
                            numpage     int,
                            playlength  int,
                            discount    int
COMMIT;");


class ShopProduct
{
    private          $title;
    private          $producerFirstName;
    private          $producerMainName;
    protected        $price;
    private          $discount = 0;
    private          $id = 0;

    public function __construct($title, $firstName, $mainName, $price)
    {
        $this->title                =$title;
        $this->producerFirstName    =$firstName;
        $this->producerMainName     =$mainName;
        $this->price                =$price;
    }

    public function getTitle()
    {
        return $this->title;
    }

    public function getProducer()
    {
        return $this->producerFirstName . $this->producerMainName;
    }

    public function getSummaryLine()
    {
        $base = $this->title . $this->producerFirstName . $this->producerMainName;
        return $base;
    }

    public function getDiscount()
    {
        return $this->discount;
    }

    public function setDiscount($num)
    {
        $this->discount=$num;
    }

    public function getPrice()
    {
        return ($this->price - $this->discount);
    }
}



/**
*
*/
class CDproduct extends ShopProduct
{
    private $playLength;

    public function __construct( $title, $firstName, $mainName, $price, $playLength)
    {
        parent::__construct($title, $firstName, $mainName, $price);
        $this->playLength = $playLength;
    }

    public function getPlayLength()
    {
        return $this->playLength;
    }
    public function getSummaryLine()
    {
        $base  = parent::getSummaryLine();
        $base .= ": play - {$this->playLength} ";
            return $base;
    }
}

/**
*
*/
class BookProduct extends ShopProduct
{
    private $numPages;

    public function __construct( $title, $firstName, $mainName, $price, $numPages)
    {
        parent::__construct($title, $firstName, $mainName, $price);
        $this->numPages = $numPages;
    }

    public function getNumPages()
    {
        return $this->numPages;
    }
    public function getSummaryLine()
    {
        $base  = parent::getSummaryLine();
        $base .= ": {$this->numPages} str.";
            return $base;
    }
    public function getPrice()
    {
        return $this->price;
    }
}



class ShopProductWriter
{
    private $products = array();

    public function addProduct ( ShopProduct $shopProduct )
    {
        $this->products[] = $shopProduct;
    }

    public function write()
    {
        $str = "";
        foreach ($this->products as $shopProduct)
        {
            $str .=     "{$shopProduct->getTitle}: ";
            $str .=     $shopProduct->getProducer();
            $str .=     "({$shopProduct->getPrice()})\n";
        }
        print $str;
    }
}
?>
<?
class StaticExample
{
    static public $aNum;

    static public function sayHello($aNum)
    {

        print "hell (" . self::$aNum=1 .")";
    }
}

?>