R Roshan 🎓 Extraordinary ⭐ 2.52K Points 📊 PHP Q. What will be the output? Code: $arr = [1, 2, 3]; echo count($arr); (A) 2 (B) 3 (C) 1 (D) Error 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) 3 Explanation: count() returns number of elements in array.