A Akshay Kulkarni 🎓 Extraordinary ⭐ 3.46K Points 📊 PHP Q. Which of the following function used to convert a string to uppercase? (A) uppercase() (B) str_uppercase() (C) strtoupper() (D) struppercase() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (C) strtoupper()