Briefing Zend Knowledge

What is the difference between the spaceship operator (<=>) and the strcmp() function?

What is the difference between the spaceship operator () and the strcmp() function?

A. There is no difference in functionality
B. strcmp() returns a Boolean value, the spaceship operator a number
C. strcmp() does a case-intensive comparison, the spaceship operator does not

D. The spaceship operator returns -1, 0 or 1; strcmp() may return any integer