In the code above, both Smarty and Twig are configured to be useable by the view files. But in order to get these extensions into your project, you need to also modify
That code would be added to the `require` section of `composer.json`. After making that change and saving the file, you can install the extensions by running `composer update --preder-dist` in the command-line.
To use Twig, you need to create templates in files that have the `.twig` extension (or use another file extension but configure the component accordingly).
Unlike standard view files, when using Twig you must include the extension in your `$this->render()`
To use Smarty, you need to create templates in files that have the `.tpl` extension (or use another file extension but configure the component accordingly). Unlike standard view files, when using Smarty you must include the extension in your `$this->render()`