Question

Which one of the following functions is used to determine object type?

(a) obj_type()

(b) type()

(c) is_a()

(d) is_obj()

The question was posed to me by my college director while I was bunking the class.

I want to ask this question from Basics of Object-Oriented PHP- 2 topic in division Object-Oriented PHP of PHP

Answer 1

The correct option is (c) is_a()

Easy explanation: The is_a() function returns true if object belongs to a class type or if it belongs to a class that is a child of that class. Or else false is returned.