Bug report

This line of code in a trait produces errors:

• in Layout class: "condition is always true"
• in other classes: "condition is always false"

vinkla/extended-acf#53 (comment)

Code snippet that reproduces the problem

$key = __CLASS__ === 'WordPlate\Acf\Fields\Layout' ? 'display' : 'layout';

Expected output

No error.