Q. Which PHP flag is used for exclusive file locking?

  • (A) LOCK_SH
  • (B) LOCK_EX
  • (C) LOCK_NB
  • (D) LOCK_RW
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✅ Correct Answer: (B) LOCK_EX
Explanation: LOCK_EX requests an exclusive lock.

Published by Mr. Dubey ⭐ 106.32K Points at 18-Dec-2025 08:17 pm in PHP

Explanation by: Mr. Dubey
LOCK_EX requests an exclusive lock.

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