Question:what is the output of the following code?
<?php
       Function
Vec_add(&$a,$b)
{
$a[“x”]+=$b[“x”];
$a[“y”]+=$b[“y”];
$a[“z”]+=$b[“z”];
}
 
$a=array(x=>3,y=>2,z=>5);
$b=array(x=>9,y=>3,z=>-7);
 
Vec_add(&$a,$b);
 
Print_r($a);
?>
 

A Array
(
[x]=>9
[y]=>3
[z]=>-7
)
 
B Array
(
[x]=>3
[y]=>2
[z]=>5
)
 
C Array
(
[x]=>12
[y]=>5
[z]=>-2
)
 
D Error 
E None 

+ Answer
C 

+ Report

Mohammad Towhidul Islam

Editor, VCampus

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