Zend

200-550 · Question #68

Which of the following is NOT a valid function declaration?

The correct answer is D. function x ($x1 = $x2). See the full explanation below for the reasoning.

Question

Which of the following is NOT a valid function declaration?

Options

Afunction x ($x1 = array())
Bfunction x (A $x1)
Cfunction x (A $x1 = null)
Dfunction x ($x1 = $x2)

How the community answered

(25 responses)

A
4% (1)
B
8% (2)
C
4% (1)
D
84% (21)

Community Discussion

No community discussion yet for this question.

Sign up to join the discussion

Full 200-550 Practice