Q
How can you handle user authentication in PHP using a database?

Answer & Solution

Answer: Option A
Solution:
User authentication in PHP using a database involves querying the database to validate user credentials (e.g., username and hashed password) submitted via a login form.
Related Questions on Average

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

Which PHP function is used to set session cookie attributes?

A). session_set_cookie_params()

B). set_session_cookie_attributes()

C). configure_session_cookie()

D). modify_session_cookie()

Which PHP function is used to start a new session?

A). session_start()

B). start_session()

C). init_session()

D). new_session()

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

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

Which of the following PHP functions is used to destroy a session?

A). session_destroy()

B). destroy_session()

C). end_session()

D). remove_session()

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

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

How can you destroy a session in PHP?

A). session_destroy()

B). destroy_session()

C). end_session()

D). remove_session()

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