M Mr. Dubey 🎓 Coach ⭐ 102.92K Points 📊 PHP Q. Which PHP function checks whether a variable is callable? (A) callable() (B) is_callable() (C) function_callable() (D) check_callable() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) is_callable() Explanation: is_callable() checks if a variable can be called as a function.