Function: LibSwiftyPluginView::get_autosave_version_if_newer

Find newer version of post $pid or return null if there is no newer autosave version.
This function will get the latest autosave of any user for a post and return its content when it is newer than
the latest post update.

Example:

if( LibSwiftyPluginView::is_swifty_plugin_active( 'swifty-site' ) ) {
}