Q
Which PHP function is used to start a new session?

Answer & Solution

Answer: Option A
Solution:
The session_start() function is used to start a new session or resume an existing session in PHP. It initializes the $_SESSION superglobal array for storing session data.
Related Questions on Average

How can you destroy a session in PHP?

A). session_destroy()

B). destroy_session()

C). end_session()

D). remove_session()

What is the primary benefit of salting passwords before hashing?

A). To prevent rainbow table attacks

B). To increase server performance

C). To encrypt session data

D). To generate random session IDs

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 user authentication in PHP web applications?

A). To verify the identity of users accessing the application

B). To optimize database queries

C). To manage user sessions

D). To handle server configurations

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

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 prevent session fixation attacks in PHP?

A). Regenerate session IDs after successful authentication

B). Use weak session IDs

C). Store session IDs in plaintext

D). Disable session management entirely

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 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 PHP functions is used to destroy a session?

A). session_destroy()

B). destroy_session()

C). end_session()

D). remove_session()