wp-includes/post.php:6182Traverses and return all the nested children post names of a root page.
$page_idint$childrenarray$resultstring[]function _page_traverse_name( $page_id, &$children, &$result ) { if ( isset( $children[ $page_id ] ) ) { foreach ( (array) $children[ $page_id ] as $child ) { $result[ $child->ID ] = $child->post_name; _page_traverse_name( $child->ID, $children, $result ); } }}Introduced in 2.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/post.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.