R Rati Dubey 🎓 Tutor III ⭐ 8.55K Points 📊 PHP Q. How can you remove an element from an array by its key? (A) unset() (B) remove() (C) delete() (D) array_remove() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) unset() Explanation: unset() removes a variable or array element.