protected static function _list()
    {
        if (empty(static::$_listeners)) {
            $manager = EventDispatcher::instance('Shortcode')->eventManager();
            static::$_listeners = listeners($manager);
        }

        return static::$_listeners;
    }
protected static function _list()
    {
        if (empty(static::$_listeners)) {
            $manager = EventDispatcher::instance('Shortcode')->eventManager();
            static::$_listeners = listeners($manager);
        }

        return static::$_listeners;
    }
protected static function _list ( ) { if ( empty ( static :: $ _listeners ) ) { $ manager = EventDispatcher :: instance ( 'Shortcode' ) -> eventManager ( ) ; static :: $ _listeners = listeners ( $ manager ) ; } return static :: $ _listeners ; }
Returns a list of all registered shortcodes.

@return array
Returns a list of all registered shortcodes .