Jacek Wesołowski@ArmouredWizard In programming, "good" is relative to your priorities. This is a perfectly serviceable first iteration. For a future one, consider updating the total when you're adding or removing an item from inventory. This will reduce workload from "all items every time someone asks for the total" to "one item every time an item is added or removed".
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.