What does the session_regenerate_id() function do in PHP?
A). Regenerates the session ID to prevent session fixation
B). Registers a new session ID with the server
C). Retrieves the session ID from the server
D). Ends the current session and deletes session data
Which of the following is commonly used for user authentication in PHP?
A). Username and password
B). Session ID
C). IP address
D). URL parameters
What is the role of hashing in user authentication?
A). To securely store passwords
B). To encrypt session data
C). To generate random session IDs
D). To validate IP addresses
What is the purpose of session management in PHP web applications?
A). To maintain stateful information across multiple requests
B). To optimize database queries
C). To handle user authentication
D). To manage server configurations
Which PHP function is commonly used to hash passwords?
A). password_hash()
B). hash_password()
C). encrypt_password()
D). secure_hash()
How can you handle user authentication in PHP using a database?
A). Query the database to validate user credentials
B). Use session variables to track user sessions
C). Store passwords in plaintext
D). Validate user credentials in URL parameters
What is the recommended approach for handling session data in PHP forms?
A). Use form validation and CSRF tokens
B). Store session data in hidden form fields
C). Use plaintext passwords for form authentication
D). Share session data in URL parameters
How can you implement remember me functionality in PHP?
A). By using persistent cookies with long expiration times
B). By storing passwords in plaintext
C). By disabling session management
D). By using URL parameters for authentication
What is the purpose of using prepared statements in user authentication?
A). To prevent SQL injection attacks
B). To optimize database queries
C). To increase server performance
D). To store session data securely
What is the purpose of the session_write_close() function in PHP?
A). Writes session data and closes the session file
B). Opens a new session file for writing
C). Ends the current session and deletes session data
D). Retrieves the session data from the session file