R Roshan 🎓 Extraordinary ⭐ 2.52K Points 📊 PHP Q. What will be the output? Code: echo strtoupper("hello"); (A) hello (B) HELLO (C) Hello (D) Error 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) HELLO Explanation: strtoupper() converts string to uppercase.