resources/views/layouts/partials/side-menu.blade.php
<aside class="menu">
@foreach($menu_items as $menu_key => $menu_item)
@if(is_string($menu_key))
@if(strpos($menu_key, 'title') === 0) <p class="menu-label">{{ $menu_item }}</p> @endif
@if(strpos($menu_key, 'section') === 0)
<ul class="menu-list">
@foreach($menu_item as $menu_link => $menu_link_item)
<li>
@if(strpos($menu_link, 'submenu') === 0)
<ul>
@foreach($menu_link_item as $sub_menu_link => $sub_menu_item)
<li><a href="{{ $sub_menu_link }}">{{ $sub_menu_item }}</a></li>
@endforeach
</ul>
@endif
@if(is_string($menu_link_item))
<a href="{{ $menu_link }}">{{ $menu_link_item }}</a>
@endif
</li>
@endforeach
</ul>
@endif
@endif
@endforeach
</aside>