0 ? str_repeat( "\t", $depth ) : '' ); // code indent $display_depth = ( $depth + 1 ); // because it counts the first submenu as 0 $classes = array( 'uk-nav-sub sub-menu', ( $display_depth % 2 ? 'menu-odd' : 'menu-even' ), ( $display_depth >=2 ? 'sub-sub-menu' : '' ), 'menu-depth-' . $display_depth ); $class_names = implode( ' ', $classes ); // Build HTML for output. $output .= "\n" . $indent . '

' . "\n"; } } }