X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/3e7fab96d7874067884348df10bbdcdefa4a89ad..88550bc3400cc7c035ff590ecb007c7938041ded:/wp-admin/export.php

diff --git a/wp-admin/export.php b/wp-admin/export.php
index eab8044d..78ccf13e 100644
--- a/wp-admin/export.php
+++ b/wp-admin/export.php
@@ -1,272 +1,244 @@
 <?php
-require_once ('admin.php');
-$title = __('Export');
-$parent_file = 'edit.php';
+/**
+ * WordPress Export Administration Screen
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
 
-if ( isset( $_GET['download'] ) )
-	export_wp();
+/** Load WordPress Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
-require_once ('admin-header.php');
-?>
+if ( !current_user_can('export') )
+	wp_die(__('You do not have sufficient permissions to export the content of this site.'));
 
-<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&#8217;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'>$o->display_name</option>";
-}
-?>
-</select>
-</td>
-</tr>
-</table>
-<p class="submit"><input type="submit" name="submit" value="<?php _e('Download Export File'); ?> &raquo;" />
-<input type="hidden" name="download" value="true" />
-</p>
-</form>
-</div>
-</div>
+/** Load WordPress export API */
+require_once( ABSPATH . 'wp-admin/includes/export.php' );
+$title = __('Export');
 
+/**
+ * Display JavaScript on the page.
+ *
+ * @since 3.5.0
+ */
+function export_add_js() {
+?>
+<script type="text/javascript">
+//<![CDATA[
+	jQuery(document).ready(function($){
+ 		var form = $('#export-filters'),
+ 			filters = form.find('.export-filters');
+ 		filters.hide();
+ 		form.find('input:radio').change(function() {
+			filters.slideUp('fast');
+			switch ( $(this).val() ) {
+				case 'posts': $('#post-filters').slideDown(); break;
+				case 'pages': $('#page-filters').slideDown(); break;
+			}
+ 		});
+	});
+//]]>
+</script>
 <?php
-
-function export_wp() {
-global $wpdb, $post_ids, $post;
-
-do_action('export_wp');
-
-$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' ";
-}
-
-// grab a snapshot of post IDs, just in case it changes during the export
-$post_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts $where ORDER BY post_date_gmt ASC");
-
-$categories = (array) get_categories('get=all');
-$tags = (array) get_tags('get=all');
-
-function wxr_missing_parents($categories) {
-	if ( !is_array($categories) || empty($categories) )
-		return array();
-
-	foreach ( $categories as $category )
-		$parents[$category->term_id] = $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 = get_categories("include=" . 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 ( $cat->parent == 0 || isset($cats[$cat->parent]) ) {
-		$cats[$cat->term_id] = $cat;
+add_action( 'admin_head', 'export_add_js' );
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => '<p>' . __('You can export a file of your site&#8217;s content in order to import it into another installation or platform. The export file will be an XML file format called WXR. Posts, pages, comments, custom fields, categories, and tags can be included. You can choose for the WXR file to include only certain posts or pages by setting the dropdown filters to limit the export by category, author, date range by month, or publishing status.') . '</p>' .
+		'<p>' . __('Once generated, your WXR file can be imported by another WordPress site or by another blogging platform able to access this format.') . '</p>',
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="http://codex.wordpress.org/Tools_Export_Screen" target="_blank">Documentation on Export</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
+);
+
+// If the 'download' URL parameter is set, a WXR export file is baked and returned.
+if ( isset( $_GET['download'] ) ) {
+	$args = array();
+
+	if ( ! isset( $_GET['content'] ) || 'all' == $_GET['content'] ) {
+		$args['content'] = 'all';
+	} else if ( 'posts' == $_GET['content'] ) {
+		$args['content'] = 'post';
+
+		if ( $_GET['cat'] )
+			$args['category'] = (int) $_GET['cat'];
+
+		if ( $_GET['post_author'] )
+			$args['author'] = (int) $_GET['post_author'];
+
+		if ( $_GET['post_start_date'] || $_GET['post_end_date'] ) {
+			$args['start_date'] = $_GET['post_start_date'];
+			$args['end_date'] = $_GET['post_end_date'];
+		}
+
+		if ( $_GET['post_status'] )
+			$args['status'] = $_GET['post_status'];
+	} else if ( 'pages' == $_GET['content'] ) {
+		$args['content'] = 'page';
+
+		if ( $_GET['page_author'] )
+			$args['author'] = (int) $_GET['page_author'];
+
+		if ( $_GET['page_start_date'] || $_GET['page_end_date'] ) {
+			$args['start_date'] = $_GET['page_start_date'];
+			$args['end_date'] = $_GET['page_end_date'];
+		}
+
+		if ( $_GET['page_status'] )
+			$args['status'] = $_GET['page_status'];
 	} else {
-		$categories[] = $cat;
+		$args['content'] = $_GET['content'];
 	}
-}
-unset($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) == ']' ) ? ' ' : '') . "]]>";
+	/**
+	 * Filter the export args.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param array $args The arguments to send to the exporter.
+	 */
+	$args = apply_filters( 'export_args', $args );
 
-	return $str;
-}
-
-function wxr_cat_name($c) {
-	if ( empty($c->name) )
-		return;
-
-	echo '<wp:cat_name>' . wxr_cdata($c->name) . '</wp:cat_name>';
-}
-
-function wxr_category_description($c) {
-	if ( empty($c->description) )
-		return;
-
-	echo '<wp:category_description>' . wxr_cdata($c->description) . '</wp:category_description>';
-}
-
-function wxr_tag_name($t) {
-	if ( empty($t->name) )
-		return;
-
-	echo '<wp:tag_name>' . wxr_cdata($t->name) . '</wp:tag_name>';
+	export_wp( $args );
+	die();
 }
 
-function wxr_tag_description($t) {
-	if ( empty($t->description) )
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+/**
+ * Create the date options fields for exporting a given post type.
+ *
+ * @global wpdb      $wpdb      WordPress database abstraction object.
+ * @global WP_Locale $wp_locale Date and Time Locale object.
+ *
+ * @since 3.1.0
+ *
+ * @param string $post_type The post type. Default 'post'.
+ */
+function export_date_options( $post_type = 'post' ) {
+	global $wpdb, $wp_locale;
+
+	$months = $wpdb->get_results( $wpdb->prepare( "
+		SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
+		FROM $wpdb->posts
+		WHERE post_type = %s AND post_status != 'auto-draft'
+		ORDER BY post_date DESC
+	", $post_type ) );
+
+	$month_count = count( $months );
+	if ( !$month_count || ( 1 == $month_count && 0 == $months[0]->month ) )
 		return;
 
-	echo '<wp:tag_description>' . wxr_cdata($t->description) . '</wp:tag_description>';
-}
-
-function wxr_post_taxonomy() {
-	$categories = get_the_category();
-	$tags = get_the_tags();
-	$cat_names = array();
-	$tag_names = array();
-	$the_list = '';
-	$filter = 'rss';
-
-	if ( !empty($categories) ) foreach ( (array) $categories as $category ) {
-		$cat_name = sanitize_term_field('name', $category->name, $category->term_id, 'category', $filter);
-		$the_list .= "\n\t\t<category><![CDATA[$cat_name]]></category>\n";
-	}
+	foreach ( $months as $date ) {
+		if ( 0 == $date->year )
+			continue;
 
-	if ( !empty($tags) ) foreach ( (array) $tags as $tag ) {
-		$tag_name = sanitize_term_field('name', $tag->name, $tag->term_id, 'post_tag', $filter);
-		$the_list .= "\n\t\t<category domain=\"tag\"><![CDATA[$tag_name]]></category>\n";
+		$month = zeroise( $date->month, 2 );
+		echo '<option value="' . $date->year . '-' . $month . '">' . $wp_locale->get_month( $month ) . ' ' . $date->year . '</option>';
 	}
-
-	echo $the_list;
 }
+?>
 
-echo '<?xml version="1.0" encoding="' . get_bloginfo('charset') . '"?' . ">\n";
+<div class="wrap">
+<h2><?php echo esc_html( $title ); ?></h2>
 
-?>
-<!-- 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:i'); ?>"-->
-<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->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>
-<?php endforeach; endif; ?>
-<?php if ( $tags ) : foreach ( $tags as $t ) : ?>
-	<wp:tag><wp:tag_slug><?php echo $t->slug; ?></wp:tag_slug><?php wxr_tag_name($t); ?><?php wxr_tag_description($t); ?></wp:tag>
-<?php endforeach; endif; ?>
-	<?php do_action('rss2_head'); ?>
-	<?php if ($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 $where ORDER BY post_date_gmt ASC");
-				foreach ($posts as $post) {
-			setup_postdata($post); ?>
-<item>
-<title><?php the_title_rss() ?></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 the_author() ?></dc:creator>
-<?php wxr_post_taxonomy() ?>
-
-<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:menu_order><?php echo $post->menu_order; ?></wp:menu_order>
-<wp:post_type><?php echo $post->post_type; ?></wp:post_type>
+<p><?php _e('When you click the button below WordPress will create an XML file for you to save to your computer.'); ?></p>
+<p><?php _e('This format, which we call WordPress eXtended RSS or WXR, will contain your posts, pages, comments, custom fields, categories, and tags.'); ?></p>
+<p><?php _e('Once you&#8217;ve saved the download file, you can use the Import function in another WordPress installation to import the content from this site.'); ?></p>
+
+<h3><?php _e( 'Choose what to export' ); ?></h3>
+<form action="" method="get" id="export-filters">
+<input type="hidden" name="download" value="true" />
+<p><label><input type="radio" name="content" value="all" checked="checked" /> <?php _e( 'All content' ); ?></label></p>
+<p class="description"><?php _e( 'This will contain all of your posts, pages, comments, custom fields, terms, navigation menus and custom posts.' ); ?></p>
+
+<p><label><input type="radio" name="content" value="posts" /> <?php _e( 'Posts' ); ?></label></p>
+<ul id="post-filters" class="export-filters">
+	<li>
+		<label><?php _e( 'Categories:' ); ?></label>
+		<?php wp_dropdown_categories( array( 'show_option_all' => __('All') ) ); ?>
+	</li>
+	<li>
+		<label><?php _e( 'Authors:' ); ?></label>
 <?php
-$postmeta = $wpdb->get_results("SELECT * FROM $wpdb->postmeta WHERE post_id = $post->ID");
-if ( $postmeta ) {
+		$authors = $wpdb->get_col( "SELECT DISTINCT post_author FROM {$wpdb->posts} WHERE post_type = 'post'" );
+		wp_dropdown_users( array( 'include' => $authors, 'name' => 'post_author', 'multi' => true, 'show_option_all' => __('All') ) );
 ?>
-<?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 $c->comment_ID; ?></wp:comment_id>
-<wp:comment_author><?php echo wxr_cdata($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 $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>
+	</li>
+	<li>
+		<label><?php _e( 'Date range:' ); ?></label>
+		<select name="post_start_date">
+			<option value="0"><?php _e( 'Start Date' ); ?></option>
+			<?php export_date_options(); ?>
+		</select>
+		<select name="post_end_date">
+			<option value="0"><?php _e( 'End Date' ); ?></option>
+			<?php export_date_options(); ?>
+		</select>
+	</li>
+	<li>
+		<label><?php _e( 'Status:' ); ?></label>
+		<select name="post_status">
+			<option value="0"><?php _e( 'All' ); ?></option>
+			<?php $post_stati = get_post_stati( array( 'internal' => false ), 'objects' );
+			foreach ( $post_stati as $status ) : ?>
+			<option value="<?php echo esc_attr( $status->name ); ?>"><?php echo esc_html( $status->label ); ?></option>
+			<?php endforeach; ?>
+		</select>
+	</li>
+</ul>
+
+<p><label><input type="radio" name="content" value="pages" /> <?php _e( 'Pages' ); ?></label></p>
+<ul id="page-filters" class="export-filters">
+	<li>
+		<label><?php _e( 'Authors:' ); ?></label>
 <?php
-	die();
-}
+		$authors = $wpdb->get_col( "SELECT DISTINCT post_author FROM {$wpdb->posts} WHERE post_type = 'page'" );
+		wp_dropdown_users( array( 'include' => $authors, 'name' => 'page_author', 'multi' => true, 'show_option_all' => __('All') ) );
+?>
+	</li>
+	<li>
+		<label><?php _e( 'Date range:' ); ?></label>
+		<select name="page_start_date">
+			<option value="0"><?php _e( 'Start Date' ); ?></option>
+			<?php export_date_options( 'page' ); ?>
+		</select>
+		<select name="page_end_date">
+			<option value="0"><?php _e( 'End Date' ); ?></option>
+			<?php export_date_options( 'page' ); ?>
+		</select>
+	</li>
+	<li>
+		<label><?php _e( 'Status:' ); ?></label>
+		<select name="page_status">
+			<option value="0"><?php _e( 'All' ); ?></option>
+			<?php foreach ( $post_stati as $status ) : ?>
+			<option value="<?php echo esc_attr( $status->name ); ?>"><?php echo esc_html( $status->label ); ?></option>
+			<?php endforeach; ?>
+		</select>
+	</li>
+</ul>
+
+<?php foreach ( get_post_types( array( '_builtin' => false, 'can_export' => true ), 'objects' ) as $post_type ) : ?>
+<p><label><input type="radio" name="content" value="<?php echo esc_attr( $post_type->name ); ?>" /> <?php echo esc_html( $post_type->label ); ?></label></p>
+<?php endforeach; ?>
 
-include ('admin-footer.php');
+<?php
+/**
+ * Fires after the export filters form.
+ *
+ * @since 3.5.0
+ */
+do_action( 'export_filters' );
 ?>
+
+<?php submit_button( __('Download Export File') ); ?>
+</form>
+</div>
+
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>