strip_attr example

                    foreach ($this->strip_htmltags as $tag)
                    {
                        $this->strip_tag($tag, $document, $xpath, $type);
                    }
                }

                if ($this->strip_attributes)
                {
                    foreach ($this->strip_attributes as $attrib)
                    {
                        $this->strip_attr($attrib, $xpath);
                    }
                }

                if ($this->add_attributes)
                {
                    foreach ($this->add_attributes as $tag => $valuePairs)
                    {
                        $this->add_attr($tag, $valuePairs, $document);
                    }
                }