Q. Which PHP function locks a file for exclusive writing?

  • (A) file_lock()
  • (B) lockfile()
  • (C) flock()
  • (D) fmutex()
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✅ Correct Answer: (C) flock()
Explanation: flock() provides portable advisory file locking.

Published by Mr. Dubey ⭐ 111.42K Points at 18-Dec-2025 08:17 pm in PHP

Explanation by: Mr. Dubey
flock() provides portable advisory file locking.

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