/**
* Get the singleton instance of this class
* @since 2.2.2
* @return object
*/
public static function get_instance()
{
if (!self::$instance instanceof self) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Get instance of the CMB2_Ajax class
* @since 2.0.0
* @return CMB2_Ajax object CMB2 utilities class
*/
function cmb2_ajax()
{
return CMB2_Ajax::get_instance();
}