How to creating custom links that can be echo'ed individually
This can be implemented using blocks.


First create the required menus from  Home  &gt; Administration &gt;
Structure &gt; Menus &gt; Add menu
Place the new  menu as a block under footer section in Home  &gt; Administration &gt; Structure &gt; Block layout
Save blocks


Find the reference images: 


Add user account menu to footer block (You can also include your custom menus),





Image listng user account menu on footer