WXR_Parser_XML::tag_open PHP Method

    function tag_open($parse, $tag, $attr)
    {
        if (in_array($tag, $this->wp_tags)) {
            $this->in_tag = substr($tag, 3);
            return;
        }
        if (in_array($tag, $this->wp_sub_tags)) {
            $this->in_sub_tag = substr($tag, 3);
            return;
        }
        switch ($tag) {
            case 'category':
                if (isset($attr['domain'], $attr['nicename'])) {
                    $this->sub_data['domain'] = $attr['domain'];
                    $this->sub_data['slug'] = $attr['nicename'];
                }
                break;
            case 'item':
                $this->in_post = true;
            case 'title':
                if ($this->in_post) {
                    $this->in_tag = 'post_title';
                }
                break;
            case 'guid':
                $this->in_tag = 'guid';
                break;
            case 'dc:creator':
                $this->in_tag = 'post_author';
                break;
            case 'content:encoded':
                $this->in_tag = 'post_content';
                break;
            case 'excerpt:encoded':
                $this->in_tag = 'post_excerpt';
                break;
            case 'wp:term_slug':
                $this->in_tag = 'slug';
                break;
            case 'wp:meta_key':
                $this->in_sub_tag = 'key';
                break;
            case 'wp:meta_value':
                $this->in_sub_tag = 'value';
                break;
        }
    }