📊 PHP
Q. What will be the output?
Code: 
function test(&$x) { $x = $x * 2; }
$a = 5;
test($a);
echo $a;
  • (A) 5
  • (B) 10
  • (C) Error
  • (D) 0
💬 Discuss
✅ Correct Answer: (B) 10

Explanation: Pass by reference modifies original variable.

Explanation by: Roshan
Pass by reference modifies original variable.

💬 Discussion

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