K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP function checks whether a variable is numeric? (A) is_number() (B) is_numeric() (C) is_int() (D) ctype_digit() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) is_numeric() Explanation: is_numeric() checks for numeric strings or numbers.