Q. Which PHP function measures script execution time in microseconds?

  • (A) time()
  • (B) microtime()
  • (C) execution_time()
  • (D) script_time()
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✅ Correct Answer: (B) microtime()
Explanation: microtime() returns current Unix timestamp with microseconds.

Published by Kanak Sharma ⭐ 6.13K Points at 19-Dec-2025 06:55 pm in PHP

Explanation by: Kanak Sharma
microtime() returns current Unix timestamp with microseconds.

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