R Roshan 🎓 Extraordinary ⭐ 2.52K Points 📊 PHP Q. What will be the output? Code: $a = 0; echo $a ?: 'fallback'; (A) fallback (B) 0 (C) Error (D) NULL 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) fallback Explanation: Ternary shortcut treats 0 as false.