KnpLabs/KnpMenu — comment on commit f0bc43eb90ea6ea1db2ee5abdc28920e5998681d
File: src/Knp/Menu/Renderer/ListRenderer.php line 111
By stof:

@Koc no. Casting ``null`` to an array gives you an empty array. It is not the same than writing ``array($item->getAttribute('class'))``