M Mr. Dubey 🎓 Coach ⭐ 104.60K Points 📊 PHP Q. Which PHP function executes an external program and displays output? (A) system() (B) exec() (C) shell_exec() (D) All of the above 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (D) All of the above Explanation: system(), exec(), and shell_exec() execute external commands.