wp-navigation-menu-hooks

//register desired widget names
	$GLOBALS['MyWidgetss'] = array (
		'Myy-area-1___LEFT','Slideshow-area-4', 'area-Custom4',
	);
// registered menus
	$GLOBALS['REGISTERED_MENUS']					=array('main-top', 'main-nav','footer-nav' );
	$GLOBALS['REGISTERED_MENU_CLASSES_ul']			=array('main-top'=>'nav navbar-nav sf-menu clearfix' );
	$GLOBALS['REGISTERED_MENU_CLASSES_li']			=array();
	$GLOBALS['REGISTERED_MENU_CLASSES_li_CHILDED']	=array('main-top'=>'sub-menu sub-menu-1' );
	$GLOBALS['REGISTERED_MENU_CLASSES_a']			=array('main-top'=>'nav navbar-nav sf-menu clearfix' );
	//$GLOBALS['REGISTERED_MENUS_ADD_EXTRA_li']		='<li class="emptyItem><a class=""></a></li>';










// =========================================  MENUS ============================ //
// https://developer.wordpress.org/reference/functions/wp_nav_menu/
//add some custom-menus
add_action('init', 'my_menu_registerss24');
function my_menu_registerss24() {
	if (!empty($GLOBALS['REGISTERED_MENUS'])){
		foreach($GLOBALS['REGISTERED_MENUS'] as $name=>$value) 	{register_nav_menu($value,'my '.$value);}
	}
	//register_nav_menus(array( ));
}
// https://developer.wordpress.org/reference/functions/wp_nav_menu/
// output is done in  template, i.e. ---->		wp_nav_menu( array( 'theme_location' => 'my-main-top', 'menu_id'=> 'primary-menu'));
// ================ this is default output ============//
//  <ul>
//		<li><a>....</a></li>
//	</ul>
// to modify the arguments, use the below "wp_nav_menu_args" function
// ------------<ul> class
add_filter( 'wp_nav_menu_args', 'modify_nav_menu_args' , 9);
function modify_nav_menu_args( $args ) {
	if(!empty($GLOBALS['REGISTERED_MENU_CLASSES_li_CHILDED']) && !empty($GLOBALS['REGISTERED_MENU_CLASSES_ul'])  ){
		foreach($GLOBALS['REGISTERED_MENU_CLASSES_ul'] as $name=>$value){
			if($args['theme_location'] == $name || $args['menu_id'] == $name) {
				$args['menu_class'] .= ' '.$value;
			}
		}
	}
	return $args;
}

// ------------<li> class
add_filter('nav_menu_css_class', 'auto_custom_type_class', 9, 4 );
function auto_custom_type_class($classes, $item, $args=false, $depth=false ) {
	//if ($args->menu == 'main-top'){$classes[] = "New_Class";	}
	if(!empty($GLOBALS['REGISTERED_MENU_CLASSES_li'])){
		foreach($GLOBALS['REGISTERED_MENU_CLASSES_li'] as $name=>$value){
			if($args !==false && ($args->theme_location == $name|| $args->menu_id == $name) ) {$classes[] = $value;	}
		}
	}
	if(!empty($GLOBALS['REGISTERED_MENU_CLASSES_li_CHILDED'])){
		foreach($GLOBALS['REGISTERED_MENU_CLASSES_li_CHILDED'] as $name=>$value){
			if($args !==false && ($args->theme_location == $name|| $args->menu_id == $name) && in_array('menu-item-has-children',$classes)) { $classes[] = $value; }
		}
	}
	return $classes;
}
// ------------<a> class
add_filter( 'nav_menu_link_attributes', 'add_menu_atts', 8, 3 );
function add_menu_atts( $atts, $item, $args=false ) {
	if(!empty($GLOBALS['REGISTERED_MENU_CLASSES_a'])){
		foreach($GLOBALS['REGISTERED_MENU_CLASSES_a'] as $name=>$value){
			if($args !==false && $args->theme_location == $name) { $classes[] = $value; }
		}
	}
	$atts['class'] = (isset($atts['class'])? $atts['class']:''). ' '.$item->type.'-'.$item->ID;
	return $atts;
}


//add LI item to menu
add_filter( 'wp_nav_menu_items', 'my_nav_menu_profile_link', 9 );
function my_nav_menu_profile_link($menu) {
	 return $menu . (!empty($GLOBALS['REGISTERED_MENUS_ADD_EXTRA_li']) ? $GLOBALS['REGISTERED_MENUS_ADD_EXTRA_li'] : '') ;
}
// ====================================  END MENUS =========================//