function getSummaryLine()
{
$base = parent::getSummaryLine();
$base .= ": page count - {$this->numPages}";
return $base;
}
}
class ShopProductWriter
{
private $products = array();
public function addProduct(ShopProduct $shopProduct)
{
$this->products[] = $shopProduct;
}
public function write()
{
$str = "";
foreach ($this->products as $shopProduct) {
$str .= "{$shopProduct->title}: ";
$str .= $shopProduct->getProducer();
$str .= " ({$shopProduct->getPrice()})\n";
}
print $str;
}
}
$product1 = new CdProduct("cd1", "bob", "bobbleson", 4, 50);
$product2 = new BookProduct("book1", "harry", "harrelson", 4, 30);
$writer = new ShopProductWriter();
$writer->addProduct($product1);
$writer->addProduct($product2);
$writer->write();
*/
class ShopProductWriter
{
private $products = array();
public function addProduct(ShopProduct $shopProduct)
{
$this->products[] = $shopProduct;
print_r($products[0]);
}
public function write()
{
$str = "";
foreach ($this->products as $shopProduct) {
$str .= "{$shopProduct->title}:";
$str .= $shopProduct->getProducer();
$str .= "({$shopProduct->getPrice()})\n";
}
print $str;
}
}
/*
* Executable code
*/
$dsn = "sqlite:items.db";
$pdo = new PDO($dsn, null, null);
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$obj = ShopProduct::getInstance(1, $pdo);
var_dump($obj);
$writer = new ShopProductWriter();
$writer->addProduct($obj);
$writer->write();
