Question

If you call a method and it doesn’t exist it’ll cause a problem. To check the method which function will you use?

(a) _method()

(b) methodexists()

(c) is_callable()

(d) is_method()

I got this question in exam.

My question is taken from Object Tools in section Object Tools and Design and Variables in PHP of PHP

Answer 1

Right answer is (c) is_callable()

The explanation is: There is another method which you can use – method_exists() for similar purpose.