Zend 200-710 Exam - Topic 5 Question 105 Discussion

Actual exam question for Zend's 200-710 exam

Question #: 105
Topic #: 5

How should class MyObject be defined for the following code to work properly? Assume $array is an array and MyObject is a user-defined class.

$obj = new MyObject();

array_walk($array, $obj);

AMyObject should extend class Closure

BMyObject should implement interface Callable

CMyObject should implement method __call

DMyObject should implement method __invoke

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Suggested Answer: D

by Truman at May 28, 2026, 12:38 AM

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