What is the output of the following code? class Test { public $var = 1; } function addMe (Test $t) { $t->var++; } $t = new Test(); addMe($t); echo $t->var;

The correct answer is A. 1. See the full explanation below for the reasoning.

Object-Oriented Programming

Question

What is the output of the following code?
class Test {
public $var = 1;
}
function addMe (Test $t) {
$t->var++;
}
$t = new Test();
addMe($t);
echo $t->var;

Options

A1
B2
Cnull

How the community answered

(37 responses)

A
73% (27)
B
8% (3)
C
19% (7)

Topics

#object passing#pass by handle#class properties#method parameters

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