wp-admin/includes/class-wp-posts-list-table.php:137Sets whether the table layout should be hierarchical or not.
$displaybool public function set_hierarchical_display( $display ) { $this->hierarchical_display = $display; }Introduced in 4.2.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-wp-posts-list-table.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.