HTML Examples/WP.iso/wordpress2/wp-admin/includes/export.php

PHP Script | 2017-06-26 | 22.4 KB | 622 lines

<?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', '1.2' );

/**
 * Generates the WXR export file for download.
 *
 * Default behavior is to export all content, however, note that post content will only
 * be exported for post types with the `can_export` argument enabled. Any posts with the
 * 'auto-draft' status will be skipped.
 *
 * @since 2.1.0
 *
 * @global wpdb    $wpdb WordPress database abstraction object.
 * @global WP_Post $post Global `$post`.
 *
 * @param array $args {
 *     Optional. Arguments for generating the WXR export file for download. Default empty array.
 *
 *     @type string $content        Type of content to export. If set, only the post content of this post type
 *                                  will be exported. Accepts 'all', 'post', 'page', 'attachment', or a defined
 *                                  custom post. If an invalid custom post type is supplied, every post type for
 *                                  which `can_export` is enabled will be exported instead. If a valid custom post
 *                                  type is supplied but `can_export` is disabled, then 'posts' will be exported
 *                                  instead. When 'all' is supplied, only post types with `can_export` enabled will
 *                                  be exported. Default 'all'.
 *     @type string $author         Author to export content for. Only used when `$content` is 'post', 'page', or
 *                                  'attachment'. Accepts false (all) or a specific author ID. Default false (all).
 *     @type string $category       Category (slug) to export content for. Used only when `$content` is 'post'. If
 *                                  set, only post content assigned to `$category` will be exported. Accepts false
 *                                  or a specific category slug. Default is false (all categories).
 *     @type string $start_date     Start date to export content from. Expected date format is 'Y-m-d'. Used only
 *                                  when `$content` is 'post', 'page' or 'attachment'. Default false (since the
 *                                  beginning of time).
 *     @type string $end_date       End date to export content to. Expected date format is 'Y-m-d'. Used only when
 *                                  `$content` is 'post', 'page' or 'attachment'. Default false (latest publish date).
 *     @type string $status         Post status to export posts for. Used only when `$content` is 'post' or 'page'.
 *                                  Accepts false (all statuses except 'auto-draft'), or a specific status, i.e.
 *                                  'publish', 'pending', 'draft', 'auto-draft', 'future', 'private', 'inherit', or
 *                                  'trash'. Default false (all statuses except 'auto-draft').
 * }
 */
function export_wp( $args = array() ) {
    global $wpdb, $post;

    $defaults = array( 'content' => 'all', 'author' => false, 'category' => false,
        'start_date' => false, 'end_date' => false, 'status' => false,
    );
    $args = wp_parse_args( $args, $defaults );

    /**
     * Fires at the beginning of an export, before any headers are sent.
     *
     * @since 2.3.0
     *
     * @param array $args An array of export arguments.
     */
    do_action( 'export_wp', $args );

    $sitename = sanitize_key( get_bloginfo( 'name' ) );
    if ( ! empty( $sitename ) ) {
        $sitename .= '.';
    }
    $date = date( 'Y-m-d' );
    $wp_filename = $sitename . 'wordpress.' . $date . '.xml';
    /**
     * Filters the export filename.
     *
     * @since 4.4.0
     *
     * @param string $wp_filename The name of the file for download.
     * @param string $sitename    The site name.
     * @param string $date        Today's date, formatted.
     */
    $filename = apply_filters( 'export_wp_filename', $wp_filename, $sitename, $date );

    header( 'Content-Description: File Transfer' );
    header( 'Content-Disposition: attachment; filename=' . $filename );
    header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ), true );

    if ( 'all' != $args['content'] && post_type_exists( $args['content'] ) ) {
        $ptype = get_post_type_object( $args['content'] );
        if ( ! $ptype->can_export )
            $args['content'] = 'post';

        $where = $wpdb->prepare( "{$wpdb->posts}.post_type = %s", $args['content'] );
    } else {
        $post_types = get_post_types( array( 'can_export' => true ) );
        $esses = array_fill( 0, count($post_types), '%s' );
        $where = $wpdb->prepare( "{$wpdb->posts}.post_type IN (" . implode( ',', $esses ) . ')', $post_types );
    }

    if ( $args['status'] && ( 'post' == $args['content'] || 'page' == $args['content'] ) )
        $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_status = %s", $args['status'] );
    else
        $where .= " AND {$wpdb->posts}.post_status != 'auto-draft'";

    $join = '';
    if ( $args['category'] && 'post' == $args['content'] ) {
        if ( $term = term_exists( $args['category'], 'category' ) ) {
            $join = "INNER JOIN {$wpdb->term_relationships} ON ({$wpdb->posts}.ID = {$wpdb->term_relationships}.object_id)";
            $where .= $wpdb->prepare( " AND {$wpdb->term_relationships}.term_taxonomy_id = %d", $term['term_taxonomy_id'] );
        }
    }

    if ( 'post' == $args['content'] || 'page' == $args['content'] || 'attachment' == $args['content'] ) {
        if ( $args['author'] )
            $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_author = %d", $args['author'] );

        if ( $args['start_date'] )
            $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date >= %s", date( 'Y-m-d', strtotime($args['start_date']) ) );

        if ( $args['end_date'] )
            $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date < %s", date( 'Y-m-d', strtotime('+1 month', strtotime($args['end_date'])) ) );
    }

    // Grab a snapshot of post IDs, just in case it changes during the export.
    $post_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} $join WHERE $where" );

    /*
     * Get the requested terms ready, empty unless posts filtered by category
     * or all content.
     */
    $cats = $tags = $terms = array();
    if ( isset( $term ) && $term ) {
        $cat = get_term( $term['term_id'], 'category' );
        $cats = array( $cat->term_id => $cat );
        unset( $term, $cat );
    } elseif ( 'all' == $args['content'] ) {
        $categories = (array) get_categories( array( 'get' => 'all' ) );
        $tags = (array) get_tags( array( 'get' => 'all' ) );

        $custom_taxonomies = get_taxonomies( array( '_builtin' => false ) );
        $custom_terms = (array) get_terms( $custom_taxonomies, array( 'get' => 'all' ) );

        // Put categories in order with no child going before its parent.
        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.
        while ( $t = array_shift( $custom_terms ) ) {
            if ( $t->parent == 0 || isset( $terms[$t->parent] ) )
                $terms[$t->term_id] = $t;
            else
                $custom_terms[] = $t;
        }

        unset( $categories, $custom_taxonomies, $custom_terms );
    }

    /**
     * Wrap given string in XML CDATA tag.
     *
     * @since 2.1.0
     *
     * @param string $str String to wrap in XML CDATA tag.
     * @return string
     */
    function wxr_cdata( $str ) {
        if ( ! seems_utf8( $str ) ) {
            $str = utf8_encode( $str );
        }
        // $str = ent2ncr(esc_html($str));
        $str = '<![CDATA[' . str_replace( ']]>', ']]]]><![CDATA[>', $str ) . ']]>';

        return $str;
    }

    /**
     * Return the URL of the site
     *
     * @since 2.5.0
     *
     * @return string Site URL.
     */
    function wxr_site_url() {
        // Multisite: the base URL.
        if ( is_multisite() )
            return network_home_url();
        // WordPress (single site): 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>\n";
    }

    /**
     * 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>\n";
    }

    /**
     * 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>\n";
    }

    /**
     * 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>\n";
    }

    /**
     * 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>\n";
    }

    /**
     * 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 "\t\t<wp:term_description>" . wxr_cdata( $term->description ) . "</wp:term_description>\n";
    }

    /**
     * Output term meta XML tags for a given term object.
     *
     * @since 4.6.0
     *
     * @param WP_Term $term Term object.
     */
    function wxr_term_meta( $term ) {
        global $wpdb;

        $termmeta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->termmeta WHERE term_id = %d", $term->term_id ) );

        foreach ( $termmeta as $meta ) {
            /**
             * Filters whether to selectively skip term meta used for WXR exports.
             *
             * Returning a truthy value to the filter will skip the current meta
             * object from being exported.
             *
             * @since 4.6.0
             *
             * @param bool   $skip     Whether to skip the current piece of term meta. Default false.
             * @param string $meta_key Current meta key.
             * @param object $meta     Current meta object.
             */
            if ( ! apply_filters( 'wxr_export_skip_termmeta', false, $meta->meta_key, $meta ) ) {
                printf( "\t\t<wp:termmeta>\n\t\t\t<wp:meta_key>%s</wp:meta_key>\n\t\t\t<wp:meta_value>%s</wp:meta_value>\n\t\t</wp:termmeta>\n", wxr_cdata( $meta->meta_key ), wxr_cdata( $meta->meta_value ) );
            }
        }
    }

    /**
     * Output list of authors with posts
     *
     * @since 3.1.0
     *
     * @global wpdb $wpdb WordPress database abstraction object.
     *
     * @param array $post_ids Array of post IDs to filter the query by. Optional.
     */
    function wxr_authors_list( array $post_ids = null ) {
        global $wpdb;

        if ( !empty( $post_ids ) ) {
            $post_ids = array_map( 'absint', $post_ids );
            $and = 'AND ID IN ( ' . implode( ', ', $post_ids ) . ')';
        } else {
            $and = '';
        }

        $authors = array();
        $results = $wpdb->get_results( "SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_status != 'auto-draft' $and" );
        foreach ( (array) $results as $result )
            $authors[] = get_userdata( $result->post_author );

        $authors = array_filter( $authors );

        foreach ( $authors as $author ) {
            echo "\t<wp:author>";
            echo '<wp:author_id>' . intval( $author->ID ) . '</wp:author_id>';
            echo '<wp:author_login>' . wxr_cdata( $author->user_login ) . '</wp:author_login>';
            echo '<wp:author_email>' . wxr_cdata( $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->first_name ) . '</wp:author_first_name>';
            echo '<wp:author_last_name>' . wxr_cdata( $author->last_name ) . '</wp:author_last_name>';
            echo "</wp:author>\n";
        }
    }

    /**
     * Output 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>";
            echo '<wp:term_id>' . intval( $menu->term_id ) . '</wp:term_id>';
            echo '<wp:term_taxonomy>nav_menu</wp:term_taxonomy>';
            echo '<wp:term_slug>' . wxr_cdata( $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() {
        $post = get_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";
        }
    }

    /**
     *
     * @param bool   $return_me
     * @param string $meta_key
     * @return bool
     */
    function wxr_filter_postmeta( $return_me, $meta_key ) {
        if ( '_edit_lock' == $meta_key )
            $return_me = true;
        return $return_me;
    }
    add_filter( 'wxr_export_skip_postmeta', 'wxr_filter_postmeta', 10, 2 );

    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 date( 'D, d M Y H:i:s +0000' ); ?></pubDate>
    <language><?php bloginfo_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( $post_ids ); ?>

<?php foreach ( $cats as $c ) : ?>
    <wp:category>
        <wp:term_id><?php echo intval( $c->term_id ); ?></wp:term_id>
        <wp:category_nicename><?php echo wxr_cdata( $c->slug ); ?></wp:category_nicename>
        <wp:category_parent><?php echo wxr_cdata( $c->parent ? $cats[$c->parent]->slug : '' ); ?></wp:category_parent>
        <?php wxr_cat_name( $c );
        wxr_category_description( $c );
        wxr_term_meta( $c ); ?>
    </wp:category>
<?php endforeach; ?>
<?php foreach ( $tags as $t ) : ?>
    <wp:tag>
        <wp:term_id><?php echo intval( $t->term_id ); ?></wp:term_id>
        <wp:tag_slug><?php echo wxr_cdata( $t->slug ); ?></wp:tag_slug>
        <?php wxr_tag_name( $t );
        wxr_tag_description( $t );
        wxr_term_meta( $t ); ?>
    </wp:tag>
<?php endforeach; ?>
<?php foreach ( $terms as $t ) : ?>
    <wp:term>
        <wp:term_id><?php echo wxr_cdata( $t->term_id ); ?></wp:term_id>
        <wp:term_taxonomy><?php echo wxr_cdata( $t->taxonomy ); ?></wp:term_taxonomy>
        <wp:term_slug><?php echo wxr_cdata( $t->slug ); ?></wp:term_slug>
        <wp:term_parent><?php echo wxr_cdata( $t->parent ? $terms[$t->parent]->slug : '' ); ?></wp:term_parent>
        <?php wxr_term_name( $t );
        wxr_term_description( $t );
        wxr_term_meta( $t ); ?>
    </wp:term>
<?php endforeach; ?>
<?php if ( 'all' == $args['content'] ) wxr_nav_menu_terms(); ?>

    <?php
    /** This action is documented in wp-includes/feed-rss2.php */
    do_action( 'rss2_head' );
    ?>

<?php if ( $post_ids ) {
    /**
     * @global WP_Query $wp_query
     */
    global $wp_query;

    // Fake being in the loop.
    $wp_query->in_the_loop = true;

    // 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" );

    // Begin Loop.
    foreach ( $posts as $post ) {
        setup_postdata( $post );
        $is_sticky = is_sticky( $post->ID ) ? 1 : 0;
?>
    <item>
        <title><?php
            /** This filter is documented in wp-includes/feed.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 wxr_cdata( get_the_author_meta( 'login' ) ); ?></dc:creator>
        <guid isPermaLink="false"><?php the_guid(); ?></guid>
        <description></description>
        <content:encoded><?php
            /**
             * Filters the post content used for WXR exports.
             *
             * @since 2.5.0
             *
             * @param string $post_content Content of the current post.
             */
            echo wxr_cdata( apply_filters( 'the_content_export', $post->post_content ) );
        ?></content:encoded>
        <excerpt:encoded><?php
            /**
             * Filters the post excerpt used for WXR exports.
             *
             * @since 2.6.0
             *
             * @param string $post_excerpt Excerpt for the current post.
             */
            echo wxr_cdata( apply_filters( 'the_excerpt_export', $post->post_excerpt ) );
        ?></excerpt:encoded>
        <wp:post_id><?php echo intval( $post->ID ); ?></wp:post_id>
        <wp:post_date><?php echo wxr_cdata( $post->post_date ); ?></wp:post_date>
        <wp:post_date_gmt><?php echo wxr_cdata( $post->post_date_gmt ); ?></wp:post_date_gmt>
        <wp:comment_status><?php echo wxr_cdata( $post->comment_status ); ?></wp:comment_status>
        <wp:ping_status><?php echo wxr_cdata( $post->ping_status ); ?></wp:ping_status>
        <wp:post_name><?php echo wxr_cdata( $post->post_name ); ?></wp:post_name>
        <wp:status><?php echo wxr_cdata( $post->post_status ); ?></wp:status>
        <wp:post_parent><?php echo intval( $post->post_parent ); ?></wp:post_parent>
        <wp:menu_order><?php echo intval( $post->menu_order ); ?></wp:menu_order>
        <wp:post_type><?php echo wxr_cdata( $post->post_type ); ?></wp:post_type>
        <wp:post_password><?php echo wxr_cdata( $post->post_password ); ?></wp:post_password>
        <wp:is_sticky><?php echo intval( $is_sticky ); ?></wp:is_sticky>
<?php    if ( $post->post_type == 'attachment' ) : ?>
        <wp:attachment_url><?php echo wxr_cdata( 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 ) );
        foreach ( $postmeta as $meta ) :
            /**
             * Filters whether to selectively skip post meta used for WXR exports.
             *
             * Returning a truthy value to the filter will skip the current meta
             * object from being exported.
             *
             * @since 3.3.0
             *
             * @param bool   $skip     Whether to skip the current post meta. Default false.
             * @param string $meta_key Current meta key.
             * @param object $meta     Current meta object.
             */
            if ( apply_filters( 'wxr_export_skip_postmeta', false, $meta->meta_key, $meta ) )
                continue;
        ?>
        <wp:postmeta>
            <wp:meta_key><?php echo wxr_cdata( $meta->meta_key ); ?></wp:meta_key>
            <wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value>
        </wp:postmeta>
<?php    endforeach;

        $_comments = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved <> 'spam'", $post->ID ) );
        $comments = array_map( 'get_comment', $_comments );
        foreach ( $comments as $c ) : ?>
        <wp:comment>
            <wp:comment_id><?php echo intval( $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 wxr_cdata( $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 wxr_cdata( $c->comment_author_IP ); ?></wp:comment_author_IP>
            <wp:comment_date><?php echo wxr_cdata( $c->comment_date ); ?></wp:comment_date>
            <wp:comment_date_gmt><?php echo wxr_cdata( $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 wxr_cdata( $c->comment_approved ); ?></wp:comment_approved>
            <wp:comment_type><?php echo wxr_cdata( $c->comment_type ); ?></wp:comment_type>
            <wp:comment_parent><?php echo intval( $c->comment_parent ); ?></wp:comment_parent>
            <wp:comment_user_id><?php echo intval( $c->user_id ); ?></wp:comment_user_id>
<?php        $c_meta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->commentmeta WHERE comment_id = %d", $c->comment_ID ) );
            foreach ( $c_meta as $meta ) :
                /**
                 * Filters whether to selectively skip comment meta used for WXR exports.
                 *
                 * Returning a truthy value to the filter will skip the current meta
                 * object from being exported.
                 *
                 * @since 4.0.0
                 *
                 * @param bool   $skip     Whether to skip the current comment meta. Default false.
                 * @param string $meta_key Current meta key.
                 * @param object $meta     Current meta object.
                 */
                if ( apply_filters( 'wxr_export_skip_commentmeta', false, $meta->meta_key, $meta ) ) {
                    continue;
                }
            ?>
            <wp:commentmeta>
                <wp:meta_key><?php echo wxr_cdata( $meta->meta_key ); ?></wp:meta_key>
                <wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value>
            </wp:commentmeta>
<?php        endforeach; ?>
        </wp:comment>
<?php    endforeach; ?>
    </item>
<?php
    }
    }
} ?>
</channel>
</rss>
<?php
}