Q. Which function can be used to include code only once?

  • (A) include()
  • (B) require_once()
  • (C) require()
  • (D) include_once()
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✅ Correct Answer: (D) include_once()
Explanation: include_once() includes the file only once and avoids redeclaration errors.

Published by Rati Dubey ⭐ 8.55K Points at 09-Jun-2025 08:15 am in PHP

Explanation by: Rati Dubey
include_once() includes the file only once and avoids redeclaration errors.

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