n6aa.md

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PHP: Form & Session & Cookies

Set A

1. a) $_GET
2. b) session_start()
3. c) setcookie()
4. a) $_SESSION
5. a) session_destroy()
6. d) isset($_COOKIE['cookie_name'])
7. a) $_COOKIE['cookie_name']
8. a) unset($_SESSION['variable_name'])
9. b) By specifying the expiration time in the setcookie() function
10. a) isset($_SESSION['variable_name'])
11. c) filter_input()
12. a) count($_SESSION['array_variable'])
13. b) header('Location: new_page.php')
14. b) session_id()
15. b) htmlspecialchars()
16. a) $_GET['parameter_name']
17. c) $_SERVER['REMOTE_ADDR']
18. a) $_SESSION['array_variable'] = array(...)
19. a) By using the preventDefault() function in JavaScript and validating the form on the server-side using PHP
20. a) isset($_COOKIE['cookie_name'])
21. a) By echoing a success message in the PHP script that processes the form
22. a) setcookie('cookie_name', '', time() - 3600);
23. c) if (empty($_POST['field_name']))
24. a) $_SESSION['variable_name']
25. b) By using the htmlspecialchars() function to encode special characters in the input
26. a) if (session_status() === PHP_SESSION_ACTIVE)
27. a) By setting the session_lifetime configuration directive in the php.ini file
28. a) $_POST['input_field_name']
29. a) $_SESSION['variable_name'] = value;
30. a) echo session_id();
31. a) By disabling the submit button after the form is submitted
32. a) $_COOKIE['cookie_name']
33. a) setcookie('cookie_name', 'value', time() + 3600);
34. a) isset($_SESSION['variable_name'])
35. a) By using prepared statements and parameterized queries when interacting with a database
36. a) session_unset()
37. a) By serializing the array and storing it in a single cookie value
38. a) $_POST['input_field_name']
39. a) $_SESSION['variable_name']
40. a) By setting each cookie to an empty value using the setcookie() function
41. a) $_SESSION['variable_name'] = value;
42. a) isset($_COOKIE['cookie_name'])
43. a) $_GET['variable_name']
44. a) setcookie('cookie_name', '', time() - 3600);
45. a) if ($_POST['field_name'] === '')
46. a) session_id()
47. a) setcookie('cookie_name', 'value', time() + 3600, '/', '', false, true);
48. a) $_SERVER['HTTP_USER_AGENT']
49. a) By storing the preferences in a JSON-encoded string and setting it as a cookie value
50. a) count($_SESSION['array_variable'])

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