πŸ“Š PHP
Q. What will be the output?
Code:
$a = [1,2,3];
foreach($a as $k => &$v) {}
foreach($a as $k => $v) {}
print_r($a);
  • (A) [1,2,3]
  • (B) [1,2,2]
  • (C) [1,1,1]
  • (D) Error
πŸ’¬ Discuss
βœ… Correct Answer: (B) [1,2,2]

Explanation: Reference persists, affecting last element.

Explanation by: Roshan
Reference persists, affecting last element.

πŸ’¬ Discussion


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