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Wordpress++
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@@ -13,14 +13,14 @@
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*
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* @since 2.5.0
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*/
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define( 'WXR_VERSION', '1.1' );
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define( 'WXR_VERSION', '1.2' );
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/**
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* Generates the WXR export file for download
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* Generates the WXR export file for download.
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*
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* @since 2.1.0
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*
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* @param array $args Filters defining what should be included in the export
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* @param array $args Filters defining what should be included in the export.
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*/
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function export_wp( $args = array() ) {
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global $wpdb, $post;
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@@ -30,7 +30,14 @@ function export_wp( $args = array() ) {
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);
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$args = wp_parse_args( $args, $defaults );
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do_action( 'export_wp' );
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/**
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* Fires at the beginning of an export, before any headers are sent.
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*
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* @since 2.3.0
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*
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* @param array $args An array of export arguments.
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*/
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do_action( 'export_wp', $args );
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$sitename = sanitize_key( get_bloginfo( 'name' ) );
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if ( ! empty($sitename) ) $sitename .= '.';
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@@ -76,23 +83,26 @@ function export_wp( $args = array() ) {
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$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date < %s", date( 'Y-m-d', strtotime('+1 month', strtotime($args['end_date'])) ) );
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}
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// grab a snapshot of post IDs, just in case it changes during the export
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// Grab a snapshot of post IDs, just in case it changes during the export.
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$post_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} $join WHERE $where" );
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// get the requested terms ready, empty unless posts filtered by category or all content
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/*
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* Get the requested terms ready, empty unless posts filtered by category
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* or all content.
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*/
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$cats = $tags = $terms = array();
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if ( isset( $term ) && $term ) {
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$cat = get_term( $term['term_id'], 'category' );
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$cats = array( $cat->term_id => $cat );
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unset( $term, $cat );
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} else if ( 'all' == $args['content'] ) {
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} elseif ( 'all' == $args['content'] ) {
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$categories = (array) get_categories( array( 'get' => 'all' ) );
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$tags = (array) get_tags( array( 'get' => 'all' ) );
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$custom_taxonomies = get_taxonomies( array( '_builtin' => false ) );
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$custom_terms = (array) get_terms( $custom_taxonomies, array( 'get' => 'all' ) );
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// put categories in order with no child going before its parent
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// Put categories in order with no child going before its parent.
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while ( $cat = array_shift( $categories ) ) {
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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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@@ -100,7 +110,7 @@ function export_wp( $args = array() ) {
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$categories[] = $cat;
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}
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// put terms in order with no child going before its parent
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// Put terms in order with no child going before its parent.
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while ( $t = array_shift( $custom_terms ) ) {
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if ( $t->parent == 0 || isset( $terms[$t->parent] ) )
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$terms[$t->term_id] = $t;
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@@ -117,13 +127,14 @@ function export_wp( $args = array() ) {
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* @since 2.1.0
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*
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* @param string $str String to wrap in XML CDATA tag.
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* @return string
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*/
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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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// $str = ent2ncr(esc_html($str));
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$str = "<![CDATA[$str" . ( ( substr( $str, -1 ) == ']' ) ? ' ' : '' ) . ']]>';
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$str = '<![CDATA[' . str_replace( ']]>', ']]]]><![CDATA[>', $str ) . ']]>';
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return $str;
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}
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@@ -136,10 +147,10 @@ function export_wp( $args = array() ) {
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* @return string Site URL.
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*/
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function wxr_site_url() {
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// ms: the base url
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// Multisite: the base URL.
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if ( is_multisite() )
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return network_home_url();
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// wp: the blog url
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// WordPress (single site): the blog URL.
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else
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return get_bloginfo_rss( 'url' );
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}
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@@ -232,12 +243,21 @@ function export_wp( $args = array() ) {
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* Output list of authors with posts
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*
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* @since 3.1.0
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*
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* @param array $post_ids Array of post IDs to filter the query by. Optional.
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*/
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function wxr_authors_list() {
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function wxr_authors_list( array $post_ids = null ) {
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global $wpdb;
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if ( !empty( $post_ids ) ) {
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$post_ids = array_map( 'absint', $post_ids );
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$and = 'AND ID IN ( ' . implode( ', ', $post_ids ) . ')';
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} else {
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$and = '';
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}
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$authors = array();
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$results = $wpdb->get_results( "SELECT DISTINCT post_author FROM $wpdb->posts" );
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$results = $wpdb->get_results( "SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_status != 'auto-draft' $and" );
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foreach ( (array) $results as $result )
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$authors[] = get_userdata( $result->post_author );
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@@ -278,7 +298,7 @@ function export_wp( $args = array() ) {
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* @since 2.3.0
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*/
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function wxr_post_taxonomy() {
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global $post;
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$post = get_post();
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$taxonomies = get_object_taxonomies( $post->post_type );
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if ( empty( $taxonomies ) )
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@@ -331,12 +351,12 @@ function export_wp( $args = array() ) {
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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 date( 'D, d M Y H:i:s +0000' ); ?></pubDate>
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<language><?php echo get_option( 'rss_language' ); ?></language>
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<language><?php bloginfo_rss( 'language' ); ?></language>
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<wp:wxr_version><?php echo WXR_VERSION; ?></wp:wxr_version>
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<wp:base_site_url><?php echo wxr_site_url(); ?></wp:base_site_url>
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<wp:base_blog_url><?php bloginfo_rss( 'url' ); ?></wp:base_blog_url>
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<?php wxr_authors_list(); ?>
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<?php wxr_authors_list( $post_ids ); ?>
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<?php foreach ( $cats as $c ) : ?>
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<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>
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@@ -349,31 +369,57 @@ function export_wp( $args = array() ) {
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<?php endforeach; ?>
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<?php if ( 'all' == $args['content'] ) wxr_nav_menu_terms(); ?>
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<?php do_action( 'rss2_head' ); ?>
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<?php
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/** This action is documented in wp-includes/feed-rss2.php */
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do_action( 'rss2_head' );
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?>
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<?php if ( $post_ids ) {
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global $wp_query;
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$wp_query->in_the_loop = true; // Fake being in the loop.
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// fetch 20 posts at a time rather than loading the entire table into memory
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// Fake being in the loop.
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$wp_query->in_the_loop = true;
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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" );
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// Begin Loop
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// Begin Loop.
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foreach ( $posts as $post ) {
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setup_postdata( $post );
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$is_sticky = is_sticky( $post->ID ) ? 1 : 0;
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?>
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<item>
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<title><?php echo apply_filters( 'the_title_rss', $post->post_title ); ?></title>
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<title><?php
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/** This filter is documented in wp-includes/feed.php */
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echo apply_filters( 'the_title_rss', $post->post_title );
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?></title>
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<link><?php the_permalink_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 echo get_the_author_meta( 'login' ); ?></dc:creator>
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<guid isPermaLink="false"><?php esc_url( the_guid() ); ?></guid>
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<dc:creator><?php echo wxr_cdata( get_the_author_meta( 'login' ) ); ?></dc:creator>
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<guid isPermaLink="false"><?php the_guid(); ?></guid>
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<description></description>
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<content:encoded><?php echo wxr_cdata( apply_filters( 'the_content_export', $post->post_content ) ); ?></content:encoded>
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<excerpt:encoded><?php echo wxr_cdata( apply_filters( 'the_excerpt_export', $post->post_excerpt ) ); ?></excerpt:encoded>
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<content:encoded><?php
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/**
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* Filter the post content used for WXR exports.
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*
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* @since 2.5.0
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*
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* @param string $post_content Content of the current post.
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*/
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echo wxr_cdata( apply_filters( 'the_content_export', $post->post_content ) );
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?></content:encoded>
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<excerpt:encoded><?php
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/**
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* Filter the post excerpt used for WXR exports.
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*
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* @since 2.6.0
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*
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* @param string $post_excerpt Excerpt for the current post.
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*/
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echo wxr_cdata( apply_filters( 'the_excerpt_export', $post->post_excerpt ) );
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?></excerpt: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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@@ -392,6 +438,18 @@ function export_wp( $args = array() ) {
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<?php wxr_post_taxonomy(); ?>
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<?php $postmeta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->postmeta WHERE post_id = %d", $post->ID ) );
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foreach ( $postmeta as $meta ) :
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/**
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* Filter whether to selectively skip post meta used for WXR exports.
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*
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* Returning a truthy value to the filter will skip the current meta
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* object from being exported.
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*
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* @since 3.3.0
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*
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* @param bool $skip Whether to skip the current post meta. Default false.
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* @param string $meta_key Current meta key.
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* @param object $meta Current meta object.
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*/
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if ( apply_filters( 'wxr_export_skip_postmeta', false, $meta->meta_key, $meta ) )
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continue;
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?>
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@@ -399,8 +457,9 @@ function export_wp( $args = array() ) {
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<wp:meta_key><?php echo $meta->meta_key; ?></wp:meta_key>
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<wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value>
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</wp:postmeta>
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<?php endforeach; ?>
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<?php $comments = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved <> 'spam'", $post->ID ) );
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<?php endforeach;
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$comments = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved <> 'spam'", $post->ID ) );
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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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@@ -416,7 +475,23 @@ function export_wp( $args = array() ) {
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<wp:comment_parent><?php echo $c->comment_parent; ?></wp:comment_parent>
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<wp:comment_user_id><?php echo $c->user_id; ?></wp:comment_user_id>
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<?php $c_meta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->commentmeta WHERE comment_id = %d", $c->comment_ID ) );
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foreach ( $c_meta as $meta ) : ?>
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foreach ( $c_meta as $meta ) :
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/**
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* Filter whether to selectively skip comment meta used for WXR exports.
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*
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* Returning a truthy value to the filter will skip the current meta
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* object from being exported.
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*
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* @since 4.0.0
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*
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* @param bool $skip Whether to skip the current comment meta. Default false.
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* @param string $meta_key Current meta key.
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* @param object $meta Current meta object.
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*/
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if ( apply_filters( 'wxr_export_skip_commentmeta', false, $meta->meta_key, $meta ) ) {
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continue;
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}
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?>
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<wp:commentmeta>
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<wp:meta_key><?php echo $meta->meta_key; ?></wp:meta_key>
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<wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value>
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