R Rati Dubey 🎓 Tutor III ⭐ 8.55K Points 📊 PHP Q. What does the function isset do in PHP? (A) Checks if a variable is set and is not null (B) Deletes a variable (C) Assigns a value (D) Checks the type of a variable 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) Checks if a variable is set and is not null Explanation: isset returns true if a variable is defined and is not null