public function stockUp() {
foreach ( $this->_productList as $product ) {
$product->addStock( 100 );
}
}
}
$tv = new Television;
$tv->setScreenSize( 42 );
$ball = new TennisBall;
$ball->setColor( "yellow" );
$manager = new StoreManager();
$manager->addProduct( $tv );
$manager->addProduct( $ball );
$manager->stockUp();
echo "<p>There are ". $tv->getStockLevel() . " " . $tv->getScreenSize();
echo "-inch televisions and " . $ball->getStockLevel() . " " . $ball->getColor();
echo " tennis balls in stock.</p>";
echo "<p>Selling a television...</p>";
$tv->sellItem();
echo "<p>Selling two tennis balls...</p>";
$ball->sellItem();
$ball->sellItem();
echo "<p>There are now ". $tv->getStockLevel() . " " . $tv->getScreenSize();
echo "-inch televisions and " . $ball->getStockLevel() . " " . $ball->getColor();
echo " tennis balls in stock.</p>";
?>
</body>
</html>
