+ $reset = array(
+ 'post_author', 'post_status', 'post_password',
+ 'post_parent', 'page_template', 'comment_status',
+ 'ping_status', 'keep_private', 'tax_input',
+ 'post_category', 'sticky', 'post_format',
+ );
+
+ foreach ( $reset as $field ) {
+ if ( isset($post_data[$field]) && ( '' == $post_data[$field] || -1 == $post_data[$field] ) )
+ unset($post_data[$field]);
+ }
+
+ if ( isset($post_data['post_category']) ) {
+ if ( is_array($post_data['post_category']) && ! empty($post_data['post_category']) )
+ $new_cats = array_map( 'absint', $post_data['post_category'] );
+ else
+ unset($post_data['post_category']);
+ }
+
+ $tax_input = array();
+ if ( isset($post_data['tax_input'])) {
+ foreach ( $post_data['tax_input'] as $tax_name => $terms ) {
+ if ( empty($terms) )
+ continue;
+ if ( is_taxonomy_hierarchical( $tax_name ) ) {
+ $tax_input[ $tax_name ] = array_map( 'absint', $terms );
+ } else {
+ $comma = _x( ',', 'tag delimiter' );
+ if ( ',' !== $comma )
+ $terms = str_replace( $comma, ',', $terms );
+ $tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
+ }
+ }
+ }
+
+ if ( isset($post_data['post_parent']) && ($parent = (int) $post_data['post_parent']) ) {
+ $pages = $wpdb->get_results("SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'");
+ $children = array();
+
+ for ( $i = 0; $i < 50 && $parent > 0; $i++ ) {
+ $children[] = $parent;
+
+ foreach ( $pages as $page ) {
+ if ( $page->ID == $parent ) {
+ $parent = $page->post_parent;
+ break;
+ }
+ }
+ }
+ }
+
+ $updated = $skipped = $locked = array();
+ $shared_post_data = $post_data;
+
+ foreach ( $post_IDs as $post_ID ) {
+ // Start with fresh post data with each iteration.
+ $post_data = $shared_post_data;
+
+ $post_type_object = get_post_type_object( get_post_type( $post_ID ) );
+
+ if ( !isset( $post_type_object ) || ( isset($children) && in_array($post_ID, $children) ) || !current_user_can( 'edit_post', $post_ID ) ) {
+ $skipped[] = $post_ID;
+ continue;
+ }
+
+ if ( wp_check_post_lock( $post_ID ) ) {
+ $locked[] = $post_ID;
+ continue;
+ }
+
+ $post = get_post( $post_ID );
+ $tax_names = get_object_taxonomies( $post );
+ foreach ( $tax_names as $tax_name ) {
+ $taxonomy_obj = get_taxonomy($tax_name);
+ if ( isset( $tax_input[$tax_name]) && current_user_can( $taxonomy_obj->cap->assign_terms ) )
+ $new_terms = $tax_input[$tax_name];
+ else
+ $new_terms = array();
+
+ if ( $taxonomy_obj->hierarchical )
+ $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'ids') );
+ else
+ $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'names') );
+
+ $post_data['tax_input'][$tax_name] = array_merge( $current_terms, $new_terms );
+ }
+
+ if ( isset($new_cats) && in_array( 'category', $tax_names ) ) {
+ $cats = (array) wp_get_post_categories($post_ID);
+ $post_data['post_category'] = array_unique( array_merge($cats, $new_cats) );
+ unset( $post_data['tax_input']['category'] );
+ }
+
+ $post_data['post_type'] = $post->post_type;
+ $post_data['post_mime_type'] = $post->post_mime_type;
+ $post_data['guid'] = $post->guid;
+
+ foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) {
+ if ( ! isset( $post_data[ $field ] ) ) {
+ $post_data[ $field ] = $post->$field;
+ }
+ }
+
+ $post_data['ID'] = $post_ID;
+ $post_data['post_ID'] = $post_ID;
+
+ $post_data = _wp_translate_postdata( true, $post_data );
+ if ( is_wp_error( $post_data ) ) {
+ $skipped[] = $post_ID;
+ continue;
+ }
+
+ $updated[] = wp_update_post( $post_data );
+
+ if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) {
+ if ( 'sticky' == $post_data['sticky'] )
+ stick_post( $post_ID );
+ else
+ unstick_post( $post_ID );
+ }
+
+ if ( isset( $post_data['post_format'] ) )
+ set_post_format( $post_ID, $post_data['post_format'] );
+ }
+
+ return array( 'updated' => $updated, 'skipped' => $skipped, 'locked' => $locked );