summaryrefslogtreecommitdiffstats
path: root/wp-admin/includes/export.php
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--wp-admin/includes/export.php46
1 files changed, 46 insertions, 0 deletions
diff --git a/wp-admin/includes/export.php b/wp-admin/includes/export.php
index 9610ac8..d05f98f 100644
--- a/wp-admin/includes/export.php
+++ b/wp-admin/includes/export.php
@@ -144,6 +144,52 @@ function export_wp( $args = array() ) {
// 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 IDs for the attachments of each post, unless all content is already being exported.
+ if ( ! in_array( $args['content'], array( 'all', 'attachment' ), true ) ) {
+ // Array to hold all additional IDs (attachments and thumbnails).
+ $additional_ids = array();
+
+ // Create a copy of the post IDs array to avoid modifying the original array.
+ $processing_ids = $post_ids;
+
+ while ( $next_posts = array_splice( $processing_ids, 0, 20 ) ) {
+ $posts_in = array_map( 'absint', $next_posts );
+ $placeholders = array_fill( 0, count( $posts_in ), '%d' );
+
+ // Create a string for the placeholders.
+ $in_placeholder = implode( ',', $placeholders );
+
+ // Prepare the SQL statement for attachment ids.
+ $attachment_ids = $wpdb->get_col(
+ $wpdb->prepare(
+ "
+ SELECT ID
+ FROM $wpdb->posts
+ WHERE post_parent IN ($in_placeholder) AND post_type = 'attachment'
+ ",
+ $posts_in
+ )
+ );
+
+ $thumbnails_ids = $wpdb->get_col(
+ $wpdb->prepare(
+ "
+ SELECT meta_value
+ FROM $wpdb->postmeta
+ WHERE $wpdb->postmeta.post_id IN ($in_placeholder)
+ AND $wpdb->postmeta.meta_key = '_thumbnail_id'
+ ",
+ $posts_in
+ )
+ );
+
+ $additional_ids = array_merge( $additional_ids, $attachment_ids, $thumbnails_ids );
+ }
+
+ // Merge the additional IDs back with the original post IDs after processing all posts
+ $post_ids = array_unique( array_merge( $post_ids, $additional_ids ) );
+ }
+
/*
* Get the requested terms ready, empty unless posts filtered by category
* or all content.