<?php
class Order
{
private $_id;
private $_items;
public function __construct($id)
{
$this->_id = $id;
$this->_items = array();
}
public function addItem(Item $item)
{
$id = $item->getId();
if (!array_key_exists($id, $this->_items)) {
$this->_items[$id] = array(
'object' => $item,
'amount' => 0,
);
}
$this->_items[$id]['amount']++;
}
public function getItems()
{
return $this->_items;
}
public function getId()
{
return $this->_id;
}
}