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PHP 4 did not support instanceof. Instead, which function did it provide?

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PHP 4 did not support instanceof. Instead, which function did it provide?

(a) is()

(b) get_class()

(c) is_a()

(d) is_the()

I got this question in final exam.

The above asked question is from Object Tools topic in chapter Object Tools and Design and Variables in PHP of PHP

1 Answer

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Best answer
Right answer is (c) is_a()

To elaborate: As of PHP 5.3 is_a() no longer deprecated.

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