K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP superglobal contains uploaded file data? (A) $_POST (B) $_FILES (C) $_REQUEST (D) $_UPLOAD 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (B) $_FILES Explanation: $_FILES stores file upload information.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP function generates a random integer securely? (A) rand() (B) mt_rand() (C) random_int() (D) shuffle() 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (C) random_int() Explanation: random_int() is cryptographically secure.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP function generates a random string of bytes? (A) rand_bytes() (B) random_bytes() (C) bytes_random() (D) secure_bytes() 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (B) random_bytes() Explanation: random_bytes() generates cryptographically secure bytes.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP filter removes unsafe characters from a string? (A) FILTER_SANITIZE_STRING (B) FILTER_VALIDATE_STRING (C) FILTER_CLEAN (D) FILTER_STRING 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (A) FILTER_SANITIZE_STRING Explanation: It removes or encodes unsafe characters.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP feature helps reuse code across classes? (A) Interfaces (B) Abstract classes (C) Traits (D) Namespaces 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (C) Traits Explanation: Traits allow horizontal code reuse.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which keyword prevents a class from being inherited? (A) static (B) private (C) sealed (D) final 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (D) final Explanation: final classes cannot be extended.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which keyword prevents a method from being overridden? (A) static (B) final (C) private (D) protected 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (B) final Explanation: final methods cannot be overridden.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP feature allows a function to accept unlimited arguments? (A) Variadic functions (B) Dynamic functions (C) Magic functions (D) Anonymous functions 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (A) Variadic functions Explanation: Variadic functions use ...$args to accept multiple arguments.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which operator is used to unpack an array into arguments? (A) & (B) ... (C) * (D) => 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (B) ... Explanation: The spread operator (...) unpacks array elements.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP keyword is used to define an anonymous function? (A) lambda (B) anonymous (C) function (D) closure 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (C) function Explanation: Anonymous functions are defined using the function keyword.