wp_daynamic_nav_menu

**//functions menu reg //**

function start_theme_menus(){
    
    register_nav_menus(array(
        
    'main_menu'=> 'main menu',
    'footer_menu'=> 'footer menu'
    ));
}

add_action('init', 'start_theme_menus');

function start_theme_default_menu() {
    
    echo '<ul class="nav navbar-nav navbar-right">';
		if ('page' != get_option('show_on_front')) {
			echo '<li><a href="'. home_url() . '/">Home</a></li>';
		}
		wp_list_pages('title_li=');
		echo '</ul>';
}

**//hedar wp menu call //**

                    <?php wp_nav_menu(array(
                        'theme_location' => 'main_menu',
                        'menu_class'=> 'nav navbar-nav navbar-right'
                         
                        )); ?> 

update today