gistfile1.txt

public function sync(Cart $cart) {
		$this->storages[0]->read($cart);
		$last_cart = clone $cart;
		$this->storages[0]->lock(true, $cart);
		$cart = $last_cart;
		$this->storages[1]->read($cart);
		$this->storages[1]->write($cart);

		/*$this->storages[1]->read($cart);
		$current_cart = clone $cart;

		$this->storages[0]->read($cart);
		$this->storages[0]->lock(true, $cart);
		echo "<h1>Item Storage 2</h1>";
		var_dump($current_cart->items);
		echo "<hr>";
		echo "<h1>Item Storage 1</h1>";
		var_dump($cart->items);
		//
		$cart->items = array_merge($current_cart->items, $cart->items);
		echo "<hr>";
		echo "<h1>Item After Array Merge</h1>";
		var_dump($cart->items);
		$this->storages[1]->write($cart);
		*/
	}