R Rati Dubey 🎓 Tutor III ⭐ 8.55K Points 📊 PHP Q. Which PHP function checks if a variable is numeric? (A) is_number() (B) is_numeric() (C) is_int() (D) is_digit() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) is_numeric() Explanation: is_numeric() checks whether a variable is a number or numeric string.