K Kanak Sharma 🎓 Tutor III ⭐ 5.92K Points 📊 PHP Q. Which PHP function measures script execution time in microseconds? (A) time() (B) microtime() (C) execution_time() (D) script_time() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) microtime() Explanation: microtime() returns current Unix timestamp with microseconds.