Zend
200-550 · Question #85
200-550 Question #85: Real Exam Question with Answer & Explanation
Sign in or unlock 200-550 to reveal the answer and full explanation for question #85. The question stem and answer options stay visible for context.
Question
What is the output of the following code? class A { public $a = 1; public function __construct($a) { $this->a = $a; } public function mul() { return function($x) { return $this->a*$x; }; } } $a = new A(2); $a->mul = function($x) { return $x*$x; }; $m = $a->mul(); echo $m(3);
Options
- A9
- B6
- C0
- D3
Unlock 200-550 to see the answer
You've previewed enough free 200-550 questions. Unlock 200-550 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.