public static function twigView( $viewFile, $payload = array(), $returnString = false )
    {
        if ( null !== self::$_twigEnvironment )
        {
            $_output = self::$_twigEnvironment->render(
                $viewFile,
                self::_getBaseRenderPayload( $viewFile, $payload )
            );

            if ( false !== $returnString )
            {
                return $_output;
            }

            echo $_output;
        }
    }