📊 PHP
Q. What will be the output?
Code: 
$a = '10';
$b = &$a;
$b = 20;
echo gettype($a);
  • (A) string
  • (B) integer
  • (C) double
  • (D) Error
💬 Discuss
✅ Correct Answer: (B) integer

Explanation: Reference changes type of original variable.

Explanation by: Roshan
Reference changes type of original variable.

💬 Discussion

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