n6ba.md

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PHP: Form & Session & Cookies

Set B

1. a) $_POST
2. b) By checking if $_SERVER['REQUEST_METHOD'] is equal to 'POST'
3. a) session_start()
4. a) By assigning a value to $_SESSION['variable']
5. a) To destroy all session data
6. a) By accessing $_SESSION['variable']
7. a) setcookie()
8. a) By accessing $_COOKIE['cookieName']
9. a) By setting the cookie with an empty value and an expired timestamp
10. a) To convert special characters to HTML entities
11. a) isset()
12. a) By using htmlspecialchars() to encode the output
13. a) isset()
14. a) By setting the cookie with an expiration timestamp in the future
15. a) To regenerate the session ID to prevent session fixation attacks
16. a) By assigning the array to $_SESSION['variable']
17. c) is_null()
18. a) By accessing $_POST['fieldname']
19. a) To close the session and write session data
20. a) By regenerating the session ID after successful login
21. a) session_id()
22. a) By using the unset() function on $_SESSION['variable']
23. a) To remove all session variables
24. a) By setting the cookie with an expiration timestamp in the past
25. a) To retrieve the current session ID
26. a) By using empty($_SESSION['variable'])
27. d) ini_set('session.gc_maxlifetime')
28. a) By using empty($_COOKIE['cookieName'])
29. a) To encode a string for safe use in a URL
30. a) By using the count() function on $_SESSION['array']
31. a) session_is_active()
32. a) By using isset($_POST['checkboxName'])
33. a) To perform garbage collection on expired session data
34. a) By serializing an array and assigning it to the cookie value
35. a) session_is_started()
36. a) By using a secure session ID generated with a secret key
37. a) By using empty($_SESSION)
38. a) To discard session changes and close the session
39. a) By checking if a session variable representing the user's login status is set
40. d) $_COOKIE['secure']
41. a) By setting the HttpOnly flag when setting session cookies
42. a) To perform garbage collection on expired session data
43. a) By modifying the session.gc_maxlifetime configuration directive
44. a) $_COOKIE['cookieName']
45. a) By checking if a session variable representing the user's admin status is set to true
46. a) To destroy all session data
47. a) By accessing $_COOKIE['cookieName']
48. d) setcookie() function with the domain parameter
49. a) By regenerating the session ID after successful login
50. b) To set the save path for session files

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