Question

Which one of the following is the right way to define a constant?

(a) constant PI = “3.1415”;

(b) const $PI = “3.1415”;

(c) constant PI = ‘3.1415’;

(d) const PI = ‘3.1415’;

I had been asked this question by my school teacher while I was bunking the class.

I need to ask this question from Basics of Object-Oriented PHP- 1 topic in section Object-Oriented PHP of PHP

Answer 1

Correct answer is (d) const PI = ‘3.1415’;

Explanation: Class constants are created like: const NAME = ‘VALUE’;