wp-admin/includes/class-wp-posts-list-table.php:639array protected function get_table_classes() { global $mode; $mode_class = esc_attr( 'table-view-' . $mode ); return array( 'widefat', 'fixed', 'striped', $mode_class, is_post_type_hierarchical( $this->screen->post_type ) ? 'pages' : 'posts', ); }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.