Add Custom Fields to WordPress Menu Items - Kathy is Awesome
Build a Bootstrap 4 WordPress Responsive Menu in 10 Minutes
Getting Familiar with the WordPress Walker Class - Pressidium
Coding a mega menu in WordPress | talkingweb
How to Add Custom Attributes (fields) to WordPress Menus - WPExplorer
php - Custom walker menu for wordpress not working - Stack Overflow
menus - Split up wp_nav_menu with custom walker - WordPress Development Stack Exchange
15 Wordpress theme from scratch | Nav walker class | Quick programming beginner tutorial - YouTube
An In-Depth Guide to Create and Customize a WordPress Menu
categories - Custom Nav Walker menu - Display category count - WordPress Development Stack Exchange
Using Walker To Add Menu CSS Class Functionality - WordPress Development Stack Exchange
An In-Depth Guide to Create and Customize a WordPress Menu
GitHub - coopwatts/wp_cbp_hrmenu_navwalker: Wordpress Custom Navigation Walker for Horizontal Drop-Down Menu
WordPress Custom Walker Menu - YouTube
GitHub - sarn1/example-wordpress-menu-walker: A base template to demo a basic WP menu-walker in action. Solves the problem of tying in the menu created in WP with a responsive navigation capable of showing
GitHub - syedabuthahirm/wp-materialize-walker-nav-menu: A custom WordPress nav walker class to implement the materialize navigation style in a custom theme using the WordPress built in menu manager.