/branches/2.1/wp-admin/export.php
PHP | 218 lines | 186 code | 30 blank | 2 comment | 25 complexity | e979e8e6d37414cf2b87518fdf98b50c MD5 | raw file
Possible License(s): AGPL-1.0, LGPL-2.0, LGPL-2.1, GPL-2.0
- <?php
- require_once ('admin.php');
- $title = __('Export');
- $parent_file = 'edit.php';
- if ( isset( $_GET['download'] ) )
- export_wp();
- require_once ('admin-header.php');
- ?>
- <div class="wrap">
- <h2><?php _e('Export'); ?></h2>
- <div class="narrow">
- <p><?php _e('When you click the button below WordPress will create an XML file for you to save to your computer.'); ?></p>
- <p><?php _e('This format, which we call WordPress eXtended RSS or WXR, will contain your posts, comments, custom fields, and categories.'); ?></p>
- <p><?php _e('Once you’ve saved the download file, you can use the Import function on another WordPress blog to import this blog.'); ?></p>
- <form action="" method="get">
- <h3><?php _e('Optional options'); ?></h3>
- <table>
- <tr>
- <th><?php _e('Restrict Author:'); ?></th>
- <td>
- <select name="author">
- <option value="all" selected="selected"><?php _e('All'); ?></option>
- <?php
- $authors = $wpdb->get_col( "SELECT post_author FROM $wpdb->posts GROUP BY post_author" );
- foreach ( $authors as $id ) {
- $o = get_userdata( $id );
- echo "<option value='$o->ID'>$o->display_name</option>";
- }
- ?>
- </select>
- </td>
- </tr>
- </table>
- <p class="submit"><input type="submit" name="submit" value="<?php _e('Download Export File'); ?> »" />
- <input type="hidden" name="download" value="true" />
- </p>
- </form>
- </div>
- </div>
- <?php
- function export_wp() {
- global $wpdb, $posts, $post;
- $filename = 'wordpress.' . date('Y-m-d') . '.xml';
- header('Content-Description: File Transfer');
- header("Content-Disposition: attachment; filename=$filename");
- header('Content-type: text/xml; charset=' . get_option('blog_charset'), true);
- $where = '';
- if ( isset( $_GET['author'] ) && $_GET['author'] != 'all' ) {
- $author_id = (int) $_GET['author'];
- $where = " WHERE post_author = '$author_id' ";
- }
- $posts = $wpdb->get_results("SELECT * FROM $wpdb->posts $where ORDER BY post_date_gmt ASC");
- $categories = (array) $wpdb->get_results("SELECT cat_ID, cat_name, category_nicename, category_description, category_parent, posts_private, links_private FROM $wpdb->categories LEFT JOIN $wpdb->post2cat ON (category_id = cat_id) LEFT JOIN $wpdb->posts ON (post_id <=> id) $where GROUP BY cat_id");
- function wxr_missing_parents($categories) {
- if ( !is_array($categories) || empty($categories) )
- return array();
- foreach ( $categories as $category )
- $parents[$category->cat_ID] = $category->category_parent;
- $parents = array_unique(array_diff($parents, array_keys($parents)));
- if ( $zero = array_search('0', $parents) )
- unset($parents[$zero]);
- return $parents;
- }
- while ( $parents = wxr_missing_parents($categories) ) {
- $found_parents = $wpdb->get_results("SELECT cat_ID, cat_name, category_nicename, category_description, category_parent, posts_private, links_private FROM $wpdb->categories WHERE cat_ID IN (" . join(', ', $parents) . ")");
- if ( is_array($found_parents) && count($found_parents) )
- $categories = array_merge($categories, $found_parents);
- else
- break;
- }
- // Put them in order to be inserted with no child going before its parent
- $pass = 0;
- $passes = 1000 + count($categories);
- while ( ( $cat = array_shift($categories) ) && ++$pass < $passes ) {
- if ( $cat->category_parent == 0 || isset($cats[$cat->category_parent]) ) {
- $cats[$cat->cat_ID] = $cat;
- } else {
- $categories[] = $cat;
- }
- }
- unset($categories);
- function wxr_cdata($str) {
- if ( seems_utf8($str) == false )
- $str = utf8_encode($str);
- // $str = ent2ncr(wp_specialchars($str));
- $str = "<![CDATA[$str" . ( ( substr($str, -1) == ']' ) ? ' ' : '') . "]]>";
- return $str;
- }
- function wxr_cat_name($c) {
- if ( empty($c->cat_name) )
- return;
- echo '<wp:cat_name>' . wxr_cdata($c->cat_name) . '</wp:cat_name>';
- }
- function wxr_category_description($c) {
- if ( empty($c->category_description) )
- return;
- echo '<wp:category_description>' . wxr_cdata($c->category_description) . '</wp:category_description>';
- }
- ?>
- <!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your blog. -->
- <!-- It contains information about your blog's posts, comments, and categories. -->
- <!-- 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 blog. -->
- <!-- To import this information into a WordPress blog follow these steps. -->
- <!-- 1. Log into that blog as an administrator. -->
- <!-- 2. Go to Manage: Import in the blog's admin panels. -->
- <!-- 3. Choose "WordPress" from the list. -->
- <!-- 4. Upload this file using the form provided on that page. -->
- <!-- 5. You will first be asked to map the authors in this export file to users -->
- <!-- on the blog. For each author, you may choose to map to an -->
- <!-- existing user on the blog or to create a new user -->
- <!-- 6. WordPress will then import each of the posts, comments, and categories -->
- <!-- contained in this file into your blog -->
- <!-- generator="wordpress/<?php bloginfo_rss('version') ?>" created="<?php echo date('Y-m-d H:m'); ?>"-->
- <rss version="2.0"
- 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/1.0/"
- >
- <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>
- <generator>http://wordpress.org/?v=<?php bloginfo_rss('version'); ?></generator>
- <language><?php echo get_option('rss_language'); ?></language>
- <?php if ( $cats ) : foreach ( $cats as $c ) : ?>
- <wp:category><wp:category_nicename><?php echo $c->category_nicename; ?></wp:category_nicename><wp:category_parent><?php echo $c->category_parent ? $cats[$c->category_parent]->cat_name : ''; ?></wp:category_parent><wp:posts_private><?php echo $c->posts_private ? '1' : '0'; ?></wp:posts_private><wp:links_private><?php echo $c->links_private ? '1' : '0'; ?></wp:links_private><?php wxr_cat_name($c); ?><?php wxr_category_description($c); ?></wp:category>
- <?php endforeach; endif; ?>
- <?php do_action('rss2_head'); ?>
- <?php if ($posts) { foreach ($posts as $post) { start_wp(); ?>
- <item>
- <title><?php the_title_rss() ?></title>
- <link><?php permalink_single_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 the_author() ?></dc:creator>
- <?php the_category_rss() ?>
- <guid isPermaLink="false"><?php the_guid(); ?></guid>
- <description></description>
- <content:encoded><![CDATA[<?php echo $post->post_content ?>]]></content: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:post_type><?php echo $post->post_type; ?></wp:post_type>
- <?php
- $postmeta = $wpdb->get_results("SELECT * FROM $wpdb->postmeta WHERE post_id = $post->ID");
- if ( $postmeta ) {
- ?>
- <?php foreach( $postmeta as $meta ) { ?>
- <wp:postmeta>
- <wp:meta_key><?php echo $meta->meta_key; ?></wp:meta_key>
- <wp:meta_value><?Php echo $meta->meta_value; ?></wp:meta_value>
- </wp:postmeta>
- <?php } ?>
- <?php } ?>
- <?php
- $comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = $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 $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 $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 $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>
- <?php } } ?>
- </item>
- <?php } } ?>
- </channel>
- </rss>
- <?php
- die();
- }
- include ('admin-footer.php');
- ?>