Get order items inside the order

Try below code:

foreach ($orderCollection as $order) {
  $items=array();
  foreach ($order->getAllItems() as $item) {
        $items[] = array(
            'id'            => $order->getIncrementId(),
            'name'          => $item->getName(),
            'sku'           => $item->getSku(),
            'Price'         => $item->getPrice(),
            'Ordered Qty'   => $item->getQtyOrdered(),
        );
    }
    $orders['orders'][] = array(
        'id'            => $order->getIncrementId(),
        'store'         => 'magento',
        'status'        => $order->getStatus(),
        'name'          => $order->getCustomerName(),
        'email'         => $order->getCustomerEmail(),
        'telephone'     => $order->getShippingAddress()->getTelephone(),
        'street'        => $order->getShippingAddress()->getStreet(),
        'pincode'       => $order->getShippingAddress()->getPostcode(),
        'city'          => $order->getShippingAddress()->getCity(),
        'weight'        => $order->getWeight(),
        'items'        => $items,
    );
}