wp-includes/nav-menu.php:787Updates post and term caches for all linked objects for a list of menu items.
function update_menu_item_cache( $menu_items ) { $post_ids = array(); $term_ids = array(); foreach ( $menu_items as $menu_item ) { if ( 'nav_menu_item' !== $menu_item->post_type ) { continue; } $object_id = get_post_meta( $menu_item->ID, '_menu_item_object_id', true ); $type = get_post_meta( $menu_item->ID, '_menu_item_type', true ); if ( 'post_type' === $type ) { $post_ids[] = (int) $object_id; } elseif ( 'taxonomy' === $type ) { $term_ids[] = (int) $object_id; } } if ( ! empty( $post_ids ) ) { _prime_post_caches( $post_ids, false ); } if ( ! empty( $term_ids ) ) { _prime_term_caches( $term_ids ); }}Introduced in 6.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/nav-menu.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.