237 lines
8.4 KiB
PHP
237 lines
8.4 KiB
PHP
<?php
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require_once ('admin.php');
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$title = __('Export');
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$parent_file = 'edit.php';
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if ( isset( $_GET['download'] ) )
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export_wp();
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require_once ('admin-header.php');
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?>
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<div class="wrap">
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<h2><?php _e('Export'); ?></h2>
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<div class="narrow">
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<p><?php _e('When you click the button below WordPress will create an XML file for you to save to your computer.'); ?></p>
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<p><?php _e('This format, which we call WordPress eXtended RSS or WXR, will contain your posts, comments, custom fields, and categories.'); ?></p>
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<p><?php _e('Once you’ve saved the download file, you can use the Import function on another WordPress blog to import this blog.'); ?></p>
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<form action="" method="get">
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<h3><?php _e('Optional options'); ?></h3>
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<table>
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<tr>
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<th><?php _e('Restrict Author:'); ?></th>
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<td>
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<select name="author">
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<option value="all" selected="selected"><?php _e('All'); ?></option>
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<?php
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$authors = $wpdb->get_col( "SELECT post_author FROM $wpdb->posts GROUP BY post_author" );
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foreach ( $authors as $id ) {
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$o = get_userdata( $id );
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echo "<option value='$o->ID'>$o->display_name</option>";
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}
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?>
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</select>
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</td>
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</tr>
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</table>
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<p class="submit"><input type="submit" name="submit" value="<?php _e('Download Export File'); ?> »" />
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<input type="hidden" name="download" value="true" />
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</p>
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</form>
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</div>
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</div>
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<?php
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function export_wp() {
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global $wpdb, $post_ids, $post;
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do_action('export_wp');
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$filename = 'wordpress.' . date('Y-m-d') . '.xml';
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header('Content-Description: File Transfer');
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header("Content-Disposition: attachment; filename=$filename");
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header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
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$where = '';
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if ( isset( $_GET['author'] ) && $_GET['author'] != 'all' ) {
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$author_id = (int) $_GET['author'];
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$where = " WHERE post_author = '$author_id' ";
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}
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// grab a snapshot of post IDs, just in case it changes during the export
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$post_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts $where ORDER BY post_date_gmt ASC");
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$categories = (array) get_categories('get=all');
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function wxr_missing_parents($categories) {
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if ( !is_array($categories) || empty($categories) )
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return array();
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foreach ( $categories as $category )
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$parents[$category->term_id] = $category->parent;
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$parents = array_unique(array_diff($parents, array_keys($parents)));
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if ( $zero = array_search('0', $parents) )
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unset($parents[$zero]);
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return $parents;
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}
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while ( $parents = wxr_missing_parents($categories) ) {
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$found_parents = get_categories("include=" . join(', ', $parents));
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if ( is_array($found_parents) && count($found_parents) )
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$categories = array_merge($categories, $found_parents);
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else
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break;
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}
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// Put them in order to be inserted with no child going before its parent
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$pass = 0;
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$passes = 1000 + count($categories);
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while ( ( $cat = array_shift($categories) ) && ++$pass < $passes ) {
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if ( $cat->parent == 0 || isset($cats[$cat->parent]) ) {
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$cats[$cat->term_id] = $cat;
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} else {
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$categories[] = $cat;
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}
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}
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unset($categories);
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function wxr_cdata($str) {
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if ( seems_utf8($str) == false )
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$str = utf8_encode($str);
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// $str = ent2ncr(wp_specialchars($str));
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$str = "<![CDATA[$str" . ( ( substr($str, -1) == ']' ) ? ' ' : '') . "]]>";
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return $str;
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}
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function wxr_cat_name($c) {
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if ( empty($c->name) )
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return;
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echo '<wp:cat_name>' . wxr_cdata($c->name) . '</wp:cat_name>';
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}
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function wxr_category_description($c) {
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if ( empty($c->description) )
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return;
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echo '<wp:category_description>' . wxr_cdata($c->description) . '</wp:category_description>';
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}
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print '<?xml version="1.0" encoding="' . get_bloginfo('charset') . '"?' . ">\n";
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?>
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<!--
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This is a WordPress eXtended RSS file generated by WordPress as an export of
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your blog. It contains information about your blog's posts, comments, and
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categories. You may use this file to transfer that content from one site to
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another. This file is not intended to serve as a complete backup of your
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blog.
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To import this information into a WordPress blog follow these steps:
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1. Log into that blog as an administrator.
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2. Go to Manage > Import in the blog's admin.
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3. Choose "WordPress" from the list of importers.
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4. Upload this file using the form provided on that page.
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5. You will first be asked to map the authors in this export file to users
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on the blog. For each author, you may choose to map an existing user on
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the blog or to create a new user.
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6. WordPress will then import each of the posts, comments, and categories
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contained in this file onto your blog.
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-->
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<!-- generator="wordpress/<?php bloginfo_rss('version') ?>" created="<?php echo date('Y-m-d H:i'); ?>"-->
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<rss version="2.0"
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xmlns:content="http://purl.org/rss/1.0/modules/content/"
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xmlns:wfw="http://wellformedweb.org/CommentAPI/"
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:wp="http://wordpress.org/export/1.0/"
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>
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<channel>
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<title><?php bloginfo_rss('name'); ?></title>
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<link><?php bloginfo_rss('url') ?></link>
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<description><?php bloginfo_rss("description") ?></description>
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<pubDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_lastpostmodified('GMT'), false); ?></pubDate>
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<generator>http://wordpress.org/?v=<?php bloginfo_rss('version'); ?></generator>
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<language><?php echo get_option('rss_language'); ?></language>
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<?php if ( $cats ) : foreach ( $cats as $c ) : ?>
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<wp:category><wp:category_nicename><?php echo $c->slug; ?></wp:category_nicename><wp:category_parent><?php echo $c->parent ? $cats[$c->parent]->name : ''; ?></wp:category_parent><?php wxr_cat_name($c); ?><?php wxr_category_description($c); ?></wp:category>
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<?php endforeach; endif; ?>
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<?php do_action('rss2_head'); ?>
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<?php if ($post_ids) {
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// fetch 20 posts at a time rather than loading the entire table into memory
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while ( $next_posts = array_splice($post_ids, 0, 20) ) {
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$where = "WHERE ID IN (".join(',', $next_posts).")";
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$posts = $wpdb->get_results("SELECT * FROM $wpdb->posts $where ORDER BY post_date_gmt ASC");
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foreach ($posts as $post) {
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start_wp(); ?>
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<item>
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<title><?php the_title_rss() ?></title>
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<link><?php permalink_single_rss() ?></link>
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<pubDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_post_time('Y-m-d H:i:s', true), false); ?></pubDate>
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<dc:creator><?php the_author() ?></dc:creator>
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<?php the_category_rss() ?>
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<guid isPermaLink="false"><?php the_guid(); ?></guid>
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<description></description>
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<content:encoded><![CDATA[<?php echo $post->post_content ?>]]></content:encoded>
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<wp:post_id><?php echo $post->ID; ?></wp:post_id>
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<wp:post_date><?php echo $post->post_date; ?></wp:post_date>
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<wp:post_date_gmt><?php echo $post->post_date_gmt; ?></wp:post_date_gmt>
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<wp:comment_status><?php echo $post->comment_status; ?></wp:comment_status>
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<wp:ping_status><?php echo $post->ping_status; ?></wp:ping_status>
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<wp:post_name><?php echo $post->post_name; ?></wp:post_name>
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<wp:status><?php echo $post->post_status; ?></wp:status>
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<wp:post_parent><?php echo $post->post_parent; ?></wp:post_parent>
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<wp:menu_order><?php echo $post->menu_order; ?></wp:menu_order>
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<wp:post_type><?php echo $post->post_type; ?></wp:post_type>
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<?php
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$postmeta = $wpdb->get_results("SELECT * FROM $wpdb->postmeta WHERE post_id = $post->ID");
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if ( $postmeta ) {
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?>
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<?php foreach( $postmeta as $meta ) { ?>
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<wp:postmeta>
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<wp:meta_key><?php echo $meta->meta_key; ?></wp:meta_key>
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<wp:meta_value><?Php echo $meta->meta_value; ?></wp:meta_value>
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</wp:postmeta>
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<?php } ?>
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<?php } ?>
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<?php
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$comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = $post->ID");
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if ( $comments ) { foreach ( $comments as $c ) { ?>
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<wp:comment>
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<wp:comment_id><?php echo $c->comment_ID; ?></wp:comment_id>
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<wp:comment_author><?php echo wxr_cdata($c->comment_author); ?></wp:comment_author>
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<wp:comment_author_email><?php echo $c->comment_author_email; ?></wp:comment_author_email>
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<wp:comment_author_url><?php echo $c->comment_author_url; ?></wp:comment_author_url>
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<wp:comment_author_IP><?php echo $c->comment_author_IP; ?></wp:comment_author_IP>
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<wp:comment_date><?php echo $c->comment_date; ?></wp:comment_date>
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<wp:comment_date_gmt><?php echo $c->comment_date_gmt; ?></wp:comment_date_gmt>
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<wp:comment_content><?php echo $c->comment_content; ?></wp:comment_content>
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<wp:comment_approved><?php echo $c->comment_approved; ?></wp:comment_approved>
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<wp:comment_type><?php echo $c->comment_type; ?></wp:comment_type>
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<wp:comment_parent><?php echo $c->comment_parent; ?></wp:comment_parent>
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</wp:comment>
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<?php } } ?>
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</item>
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<?php } } } ?>
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</channel>
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</rss>
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<?php
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die();
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}
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include ('admin-footer.php');
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?>
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