Hide a menu-item and its submenus and display a ‘Log in’ link if the user is logged out

I need, somehow, to enable that when you logout, that ‘My Account’ item is getting hidden from the navbar, and instead it displays a ‘Log in’ link. The item ‘My Account’ also have submenus with the items ‘Log out’ and ‘Track your order’. This should be hidden as well (I guess it gets hidden when you hide the parent ‘My Account’).

Should we use get_template_part() in functions files instead of include_once?

I’m using the theme-check plugin to check my theme for errors and recommendations, I’m using get_template_part() in theme files like header.php and index.php but in functions.php I’m using include_once() theme-check is not pointing at these, it’s pointing at include_once used in a widgets.php file which is included in functions.php

WordPress Enqueue Script Chaos (jQuery & Foundation.js)

I’ve been working on building a theme for the past couple days now, and I’ve run into a wall. While I originally included foundation.js as an enqueued script, I couldn’t remember why I had added it. Today, when I tried removing it (to improve page-load speed) from my functions.php file, it messed up all of my jQuery plugins.