R Rati Dubey 🎓 Tutor III ⭐ 8.55K Points 📊 PHP Q. Which function is used to start output buffering? (A) start_output() (B) ob_start() (C) output_begin() (D) start_buffer() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) ob_start() Explanation: ob_start() turns on output buffering.