Filters a navigation menu item’s title attribute.
Parameters
$item_title
string
The menu item title attribute.
Source
File: wp-includes/nav-menu.php.
View all references
$menu_item->attr_title = ! isset( $menu_item->attr_title ) ? apply_filters( "nav_menu_attr_title", $menu_item->post_excerpt ) : $menu_item->attr_title;