How to add submenu class for making dynamic of static menu while doing html to wordpress, we can add submenu dropdown class on wp generated submenu list
< ?php
/**
* Add submenu class
*/
function change_submenu_class($menu) {
$menu = preg_replace('/ class="sub-menu"/','/ class="dropdown-menu" /',$menu);
return $menu;
}
add_filter('wp_nav_menu','change_submenu_class');
?>