R Rati Dubey 🎓 Tutor III ⭐ 8.55K Points 📊 PHP Q. What does the PHP function empty() check? (A) If variable has non-zero value (B) If variable is empty (C) If variable is integer (D) If variable is string 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) If variable is empty Explanation: empty() checks whether a variable is empty or not.