K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP interface allows objects to be accessed like arrays? (A) Iterator (B) Traversable (C) ArrayAccess (D) Countable 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (C) ArrayAccess Explanation: ArrayAccess provides array-like access.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP interface allows count() to work on objects? (A) Countable (B) Iterable (C) Iterator (D) ArrayAccess 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (A) Countable Explanation: Countable enables count() on objects.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP extension is recommended for secure database access? (A) mysql (B) mysqli (C) PDO (D) odbc 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (C) PDO Explanation: PDO supports prepared statements and multiple databases.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PDO fetch mode returns an associative array? (A) PDO::FETCH_NUM (B) PDO::FETCH_OBJ (C) PDO::FETCH_ASSOC (D) PDO::FETCH_BOTH 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (C) PDO::FETCH_ASSOC Explanation: FETCH_ASSOC returns column names as keys.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PDO fetch mode returns an object? (A) PDO::FETCH_OBJ (B) PDO::FETCH_NUM (C) PDO::FETCH_ASSOC (D) PDO::FETCH_CLASS 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (A) PDO::FETCH_OBJ Explanation: FETCH_OBJ returns results as anonymous objects.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which method fetches all rows from a PDO result set? (A) fetch() (B) fetchRow() (C) fetchAll() (D) getAll() 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (C) fetchAll() Explanation: fetchAll() retrieves all records at once.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP function hashes a password securely? (A) md5() (B) sha1() (C) password_hash() (D) crypt() 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (C) password_hash() Explanation: password_hash() uses strong hashing algorithms.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP function prevents Cross-Site Scripting (XSS)? (A) strip_tags() (B) htmlspecialchars() (C) htmlentities() (D) All of the above 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (D) All of the above Explanation: All help sanitize HTML output.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which PHP function removes HTML and PHP tags? (A) htmlspecialchars() (B) htmlentities() (C) strip_tags() (D) remove_tags() 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (C) strip_tags() Explanation: strip_tags() removes all HTML and PHP tags.
K Kanak Sharma 🎓 Tutor III ⭐ 6.13K Points 📊 PHP Q. Which HTTP method is considered safest for retrieving data? (A) POST (B) PUT (C) DELETE (D) GET 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (D) GET Explanation: GET is read-only and does not modify server state.