<?php /** * WordPress Export Administration API * * @package WordPress * @subpackage Administration */ /** * Version number for the export format. * * Bump this when something changes that might affect compatibility. * * @since 2.5.0 */ define( 'WXR_VERSION', '1.1' ); /** * Generates the WXR export file for download * * @since 2.1.0 * * @param array $args Filters defining what should be included in the export */ function export_wp( $args = array() ) { global $wpdb, $post; do_action( 'export_wp' ); $sitename = sanitize_key( get_bloginfo( 'name' ) ); if ( ! empty($sitename) ) $sitename .= '.'; $filename = $sitename . 'wordpress.' . date( 'Y-m-d' ) . '.xml'; header( 'Content-Description: File Transfer' ); header( 'Content-Disposition: attachment; filename=' . $filename ); header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ), true ); // grab a snapshot of post IDs, just in case it changes during the export $post_ids = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_type != 'revision' AND post_status != 'auto-draft' ORDER BY post_date_gmt ASC" ); $categories = (array) get_categories( array( 'get' => 'all' ) ); $tags = (array) get_tags( array( 'get' => 'all' ) ); $custom_taxonomies = get_taxonomies( array( '_builtin' => false ) ); $taxonomy_terms = (array) get_terms( $custom_taxonomies, array( 'get' => 'all' ) ); // put categories in order with no child going before its parent $cats = array(); while ( $cat = array_shift( $categories ) ) { if ( $cat->parent == 0 || isset( $cats[$cat->parent] ) ) $cats[$cat->term_id] = $cat; else $categories[] = $cat; } // put terms in order with no child going before its parent $terms = array(); while ( $t = array_shift( $taxonomy_terms ) ) { if ( $t->parent == 0 || isset( $terms[$t->parent] ) ) $terms[$t->term_id] = $t; else $taxonomy_terms[] = $t; } /** * Wrap given string in XML CDATA tag. * * @since 2.1.0 * * @param string $str String to wrap in XML CDATA tag. */ function wxr_cdata( $str ) { if ( seems_utf8( $str ) == false ) $str = utf8_encode( $str ); // $str = ent2ncr(esc_html($str)); $str = "<![CDATA[$str" . ( ( substr( $str, -1 ) == ']' ) ? ' ' : '') . "]]>"; return $str; } /** * Return the URL of the site * * @since 2.5.0 * * @return string Site URL. */ function wxr_site_url() { // ms: the base url if ( is_multisite() ) return network_home_url(); // wp: the blog url else return get_bloginfo_rss( 'url' ); } /** * Output a cat_name XML tag from a given category object * * @since 2.1.0 * * @param object $category Category Object */ function wxr_cat_name( $category ) { if ( empty( $category->name ) ) return; echo '<wp:cat_name>' . wxr_cdata( $category->name ) . '</wp:cat_name>'; } /** * Output a category_description XML tag from a given category object * * @since 2.1.0 * * @param object $category Category Object */ function wxr_category_description( $category ) { if ( empty( $category->description ) ) return; echo '<wp:category_description>' . wxr_cdata( $category->description ) . '</wp:category_description>'; } /** * Output a tag_name XML tag from a given tag object * * @since 2.3.0 * * @param object $tag Tag Object */ function wxr_tag_name( $tag ) { if ( empty( $tag->name ) ) return; echo '<wp:tag_name>' . wxr_cdata( $tag->name ) . '</wp:tag_name>'; } /** * Output a tag_description XML tag from a given tag object * * @since 2.3.0 * * @param object $tag Tag Object */ function wxr_tag_description( $tag ) { if ( empty( $tag->description ) ) return; echo '<wp:tag_description>' . wxr_cdata( $tag->description ) . '</wp:tag_description>'; } /** * Output a term_name XML tag from a given term object * * @since 2.9.0 * * @param object $term Term Object */ function wxr_term_name( $term ) { if ( empty( $term->name ) ) return; echo '<wp:term_name>' . wxr_cdata( $term->name ) . '</wp:term_name>'; } /** * Output a term_description XML tag from a given term object * * @since 2.9.0 * * @param object $term Term Object */ function wxr_term_description( $term ) { if ( empty( $term->description ) ) return; echo '<wp:term_description>' . wxr_cdata( $term->description ) . '</wp:term_description>'; } /** * Output list of authors with posts * * @since 3.1.0 */ function wxr_authors_list() { global $wpdb; $authors = array(); $results = $wpdb->get_results( "SELECT DISTINCT post_author FROM $wpdb->posts" ); foreach ( (array) $results as $result ) $authors[] = get_userdata( $result->post_author ); foreach( $authors as $author ) { echo "\t<wp:author>"; echo '<wp:author_login>' . $author->user_login . '</wp:author_login>'; echo '<wp:author_email>' . $author->user_email . '</wp:author_email>'; echo '<wp:author_display_name>' . wxr_cdata( $author->display_name ) . '</wp:author_display_name>'; echo '<wp:author_first_name>' . wxr_cdata( $author->user_firstname ) . '</wp:author_first_name>'; echo '<wp:author_last_name>' . wxr_cdata( $author->user_lastname ) . '</wp:author_last_name>'; echo "</wp:author>\n"; } } /** * Ouput all navigation menu terms * * @since 3.1.0 */ function wxr_nav_menu_terms() { $nav_menus = wp_get_nav_menus(); if ( empty( $nav_menus ) || ! is_array( $nav_menus ) ) return; foreach ( $nav_menus as $menu ) { echo "\t<wp:term><wp:term_id>{$menu->term_id}</wp:term_id><wp:term_taxonomy>nav_menu</wp:term_taxonomy><wp:term_slug>{$menu->slug}</wp:term_slug>"; wxr_term_name( $menu ); echo "</wp:term>\n"; } } /** * Output list of taxonomy terms, in XML tag format, associated with a post * * @since 2.3.0 */ function wxr_post_taxonomy() { global $post; $taxonomies = get_object_taxonomies( $post->post_type ); if ( empty( $taxonomies ) ) return; $terms = wp_get_object_terms( $post->ID, $taxonomies ); foreach ( (array) $terms as $term ) { echo "\t\t<category domain=\"{$term->taxonomy}\" nicename=\"{$term->slug}\">" . wxr_cdata( $term->name ) . "</category>\n"; } } echo '<?xml version="1.0" encoding="' . get_bloginfo('charset') . "\" ?>\n"; ?> <!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your site. --> <!-- It contains information about your site's posts, pages, comments, categories, and other content. --> <!-- You may use this file to transfer that content from one site to another. --> <!-- This file is not intended to serve as a complete backup of your site. --> <!-- To import this information into a WordPress site follow these steps: --> <!-- 1. Log in to that site as an administrator. --> <!-- 2. Go to Tools: Import in the WordPress admin panel. --> <!-- 3. Install the "WordPress" importer from the list. --> <!-- 4. Activate & Run Importer. --> <!-- 5. Upload this file using the form provided on that page. --> <!-- 6. You will first be asked to map the authors in this export file to users --> <!-- on the site. For each author, you may choose to map to an --> <!-- existing user on the site or to create a new user. --> <!-- 7. WordPress will then import each of the posts, pages, comments, categories, etc. --> <!-- contained in this file into your site. --> <?php the_generator( 'export' ); ?> <rss version="2.0" xmlns:excerpt="http://wordpress.org/export/<?php echo WXR_VERSION; ?>/excerpt/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:wp="http://wordpress.org/export/<?php echo WXR_VERSION; ?>/" > <channel> <title><?php bloginfo_rss( 'name' ); ?></title> <link><?php bloginfo_rss( 'url' ); ?></link> <description><?php bloginfo_rss( 'description' ); ?></description> <pubDate><?php echo mysql2date( 'D, d M Y H:i:s +0000', get_lastpostmodified( 'GMT' ), false ); ?></pubDate> <language><?php echo get_option( 'rss_language' ); ?></language> <wp:wxr_version><?php echo WXR_VERSION; ?></wp:wxr_version> <wp:base_site_url><?php echo wxr_site_url(); ?></wp:base_site_url> <wp:base_blog_url><?php bloginfo_rss( 'url' ); ?></wp:base_blog_url> <?php wxr_authors_list(); ?> <?php foreach ( $cats as $c ) : ?> <wp:category><wp:term_id><?php echo $c->term_id ?></wp:term_id><wp:category_nicename><?php echo $c->slug; ?></wp:category_nicename><wp:category_parent><?php echo $c->parent ? $cats[$c->parent]->slug : ''; ?></wp:category_parent><?php wxr_cat_name( $c ); ?><?php wxr_category_description( $c ); ?></wp:category> <?php endforeach; ?> <?php foreach ( $tags as $t ) : ?> <wp:tag><wp:term_id><?php echo $t->term_id ?></wp:term_id><wp:tag_slug><?php echo $t->slug; ?></wp:tag_slug><?php wxr_tag_name( $t ); ?><?php wxr_tag_description( $t ); ?></wp:tag> <?php endforeach; ?> <?php foreach ( $terms as $t ) : ?> <wp:term><wp:term_id><?php echo $t->term_id ?></wp:term_id><wp:term_taxonomy><?php echo $t->taxonomy; ?></wp:term_taxonomy><wp:term_slug><?php echo $t->slug; ?></wp:term_slug><wp:term_parent><?php echo $t->parent ? $terms[$t->parent]->slug : ''; ?></wp:term_parent><?php wxr_term_name( $t ); ?><?php wxr_term_description( $t ); ?></wp:term> <?php endforeach; ?> <?php wxr_nav_menu_terms(); ?> <?php do_action( 'rss2_head' ); ?> <?php if ( $post_ids ) { global $wp_query; $wp_query->in_the_loop = true; // Fake being in the loop. // fetch 20 posts at a time rather than loading the entire table into memory while ( $next_posts = array_splice( $post_ids, 0, 20 ) ) { $where = "WHERE ID IN (" . join( ',', $next_posts ) . ")"; $posts = $wpdb->get_results( "SELECT * FROM $wpdb->posts $where ORDER BY post_date_gmt ASC" ); // Begin Loop foreach ( $posts as $post ) { setup_postdata( $post ); $is_sticky = is_sticky( $post->ID ) ? 1 : 0; ?> <item> <title><?php echo apply_filters( 'the_title_rss', $post->post_title ); ?></title> <link><?php the_permalink_rss() ?></link> <pubDate><?php echo mysql2date( 'D, d M Y H:i:s +0000', get_post_time( 'Y-m-d H:i:s', true ), false ); ?></pubDate> <dc:creator><?php echo get_the_author_meta( 'login' ); ?></dc:creator> <guid isPermaLink="false"><?php esc_url( the_guid() ); ?></guid> <description></description> <content:encoded><?php echo wxr_cdata( apply_filters( 'the_content_export', $post->post_content ) ); ?></content:encoded> <excerpt:encoded><?php echo wxr_cdata( apply_filters( 'the_excerpt_export', $post->post_excerpt ) ); ?></excerpt:encoded> <wp:post_id><?php echo $post->ID; ?></wp:post_id> <wp:post_date><?php echo $post->post_date; ?></wp:post_date> <wp:post_date_gmt><?php echo $post->post_date_gmt; ?></wp:post_date_gmt> <wp:comment_status><?php echo $post->comment_status; ?></wp:comment_status> <wp:ping_status><?php echo $post->ping_status; ?></wp:ping_status> <wp:post_name><?php echo $post->post_name; ?></wp:post_name> <wp:status><?php echo $post->post_status; ?></wp:status> <wp:post_parent><?php echo $post->post_parent; ?></wp:post_parent> <wp:menu_order><?php echo $post->menu_order; ?></wp:menu_order> <wp:post_type><?php echo $post->post_type; ?></wp:post_type> <wp:post_password><?php echo $post->post_password; ?></wp:post_password> <wp:is_sticky><?php echo $is_sticky; ?></wp:is_sticky> <?php if ( $post->post_type == 'attachment' ) : ?> <wp:attachment_url><?php echo wp_get_attachment_url( $post->ID ); ?></wp:attachment_url> <?php endif; ?> <?php wxr_post_taxonomy(); ?> <?php $postmeta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->postmeta WHERE post_id = %d", $post->ID ) ); if ( $postmeta ) : foreach( $postmeta as $meta ) : if ( $meta->meta_key != '_edit_lock' && $meta->meta_key != '_edit_last' ) : ?> <wp:postmeta> <wp:meta_key><?php echo $meta->meta_key; ?></wp:meta_key> <wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value> </wp:postmeta> <?php endif; endforeach; endif; ?> <?php $comments = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved <> 'spam'", $post->ID ) ); if ( $comments ) : foreach ( $comments as $c ) : ?> <wp:comment> <wp:comment_id><?php echo $c->comment_ID; ?></wp:comment_id> <wp:comment_author><?php echo wxr_cdata( $c->comment_author ); ?></wp:comment_author> <wp:comment_author_email><?php echo $c->comment_author_email; ?></wp:comment_author_email> <wp:comment_author_url><?php echo esc_url_raw( $c->comment_author_url ); ?></wp:comment_author_url> <wp:comment_author_IP><?php echo $c->comment_author_IP; ?></wp:comment_author_IP> <wp:comment_date><?php echo $c->comment_date; ?></wp:comment_date> <wp:comment_date_gmt><?php echo $c->comment_date_gmt; ?></wp:comment_date_gmt> <wp:comment_content><?php echo wxr_cdata( $c->comment_content ) ?></wp:comment_content> <wp:comment_approved><?php echo $c->comment_approved; ?></wp:comment_approved> <wp:comment_type><?php echo $c->comment_type; ?></wp:comment_type> <wp:comment_parent><?php echo $c->comment_parent; ?></wp:comment_parent> <wp:comment_user_id><?php echo $c->user_id; ?></wp:comment_user_id> </wp:comment> <?php endforeach; endif; ?> </item> <?php } } } ?> </channel> </rss> <?php }