PHP Elseif Ternary Operators

Question

I am trying to convert the following code into a Ternary Operator, but it is not working and I am unsure why. I think my problem is that I do not know how to express the

Answer 1

$top = ($i == 0) ? '
' : (($i % 5 == 0) ? '
' : '');

you need to add parenthesis' around the entire else block