wp-includes/blocks/navigation.php:1130Gets the inner blocks for the navigation block from the unstable location attribute.
$attributesarrayWP_Block_List function block_core_navigation_get_inner_blocks_from_unstable_location( $attributes ) { $menu_items = block_core_navigation_get_menu_items_at_location( $attributes['__unstableLocation'] ); if ( empty( $menu_items ) ) { return new WP_Block_List( array(), $attributes ); } $menu_items_by_parent_id = block_core_navigation_sort_menu_items_by_parent_id( $menu_items ); $parsed_blocks = block_core_navigation_parse_blocks_from_menu_items( $menu_items_by_parent_id[0], $menu_items_by_parent_id ); return new WP_Block_List( $parsed_blocks, $attributes ); }Introduced in 6.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/blocks/navigation.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.