From Joomla! Documentation
The "API15" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.
JCacheView is a concrete cache handler. It caches and returns the output of a given view.
|get||Get the cached view data|
jimport( 'joomla.cache.handler.view' );