Q. Which PHP function applies a callback to each array element without changing it?

  • (A) array_map()
  • (B) array_walk()
  • (C) array_filter()
  • (D) array_reduce()
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✅ Correct Answer: (B) array_walk()
Explanation: array_walk() executes callback on each element.

Published by Kanak Sharma ⭐ 6.13K Points at 19-Dec-2025 06:51 pm in PHP

Explanation by: Kanak Sharma
array_walk() executes callback on each element.

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