AS3CF_Filter::filter_header_image_data PHP Метод

    public function filter_header_image_data($value, $old_value = false)
    {
        $url = $this->get_url($value->attachment_id);
        if ($url) {
            $value->url = $url;
            $value->thumbnail_url = $url;
        }
        return $value;
    }