// Get the current Joomla application $app = JFactory::getApplication();
// Get the current Slim application $app = \Slim\Factory\AppFactory::create();This code uses the "create" function provided by the Slim framework's "AppFactory" class to create a new instance of the "Slim\App" class. This instance is then stored in the "$app" variable and can be used to access various methods and properties of the application, such as routing and middleware. Package library: Slim Framework In both of these examples, the "getApplication" function is used to retrieve the current application instance. However, the specific implementation of this function and the methods and properties available on the application instance will vary depending on the framework or library being used.