public function localize($var, $handle = null)
    {
        if(! isset($this->data) || ! $this->data || is_string($var) == false) {
            return false;
        }

        if($handle !== null) {
            $this->handle = $handle;
        }

        $this->var = $var;

        add_action( 'wp_enqueue_scripts', array($this, '_localize') );

        return true;
    }