K Kanak Sharma 🎓 Tutor III ⭐ 5.92K Points 📊 PHP Q. Which PHP function checks if a variable is an integer? (A) is_numeric() (B) is_int() (C) ctype_digit() (D) intval() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) is_int() Explanation: is_int() checks if the variable type is integer.