Zend 200-710 Exam - Topic 6 Question 100 Discussion

Actual exam question for Zend's 200-710 exam

Question #: 100
Topic #: 6

[All 200-710 Questions]

In the following code, which line should be changed so it outputs the number 2:

class A {

protected $x = array(); /* A */

public function getX() { /* B */

return $this->x; /* C */

}

$a = new A(); /* D */

array_push($a->getX(), "one");

array_push($a->getX(), "two");

echo count($a->getX());

ANo changes needed, the code would output 2 as is

BLine A, to: protected &$x = array();

CLine B, to: public function &getX() {

DLine C, to: return &$this->x;

ELine D, to: $a =& new A();

Show Suggested Answer

Suggested Answer: C

by Leigha at Mar 07, 2026, 11:38 AM

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