WordPress Intermediate Assessment

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WordPress Intermediate Assessment

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1. Why should essential site functionality usually not live only in a theme?

Why should essential site functionality usually not live only in a theme? Themes cannot run PHP It should remain available when the theme changes WordPress deletes theme settings daily Plugins cannot use hooks

Hint
Separate presentation responsibilities from reusable site functionality.
2. Which hooks handle authenticated custom form requests sent to admin-post.php?

Which hooks handle authenticated custom form requests sent to admin-post.php? wp_ajax_nopriv_{action} only template_include admin_post_{action} rest_api_init

Hint
It is the non-AJAX administrative form endpoint.
3. What does a post author relationship identify?

What does a post author relationship identify? The active theme The permalink structure The database server The WordPress user associated with creating or owning the content

Hint
Place the concept in the WordPress request, content, or permission model.
4. When is 404.php used?

When is 404.php used? When a plugin updates When a user logs in When WordPress cannot find content for the request When a post is scheduled

Hint
Separate presentation responsibilities from reusable site functionality.
5. What is special about plugins placed in wp-content/mu-plugins?

What is special about plugins placed in wp-content/mu-plugins? They run only for anonymous visitors They are automatically loaded and are not activated through the ordinary Plugins screen They replace WordPress core They cannot contain PHP

Hint
Place the concept in the WordPress request, content, or permission model.
6. What should a plugin do with its recurring events on deactivation?

What should a plugin do with its recurring events on deactivation? Disable the database Delete every WordPress cron event Unschedule the events it owns when appropriate Leave unlimited duplicates

Hint
Consider lifecycle, authorization, failure and long-term maintenance.
7. What does WordPress core mean?

What does WordPress core mean? The site database backup The main WordPress software Every installed plugin Only the active theme

Hint
Start with the everyday meaning of the WordPress term.
8. Where are themes installed by default?

Where are themes installed by default? uploads/themes wp-content/themes wp-admin/themes wp-includes/templates

Hint
Place the concept in the WordPress request, content, or permission model.
9. How should server-side WordPress code treat submitted form data?

How should server-side WordPress code treat submitted form data? As an administrator request As safe because it came from the site As untrusted input As already escaped SQL

Hint
Identify the data-model or security responsibility before choosing the API.
10. What are the two main kinds of WordPress hooks?

What are the two main kinds of WordPress hooks? Posts and pages Themes and plugins GET and POST Actions and filters

Hint
Identify the role of the WordPress function or extension point.
11. Which function returns the parent theme directory URL?

Which function returns the parent theme directory URL? get_stylesheet_directory_uri() get_template_directory_uri() site_url() get_theme_file_path()

Hint
Separate presentation responsibilities from reusable site functionality.
12. Why might a plugin file check whether ABSPATH is defined?

Why might a plugin file check whether ABSPATH is defined? To register CSS To locate the database password To activate itself To stop direct execution outside the WordPress bootstrap

Hint
Identify the WordPress API responsibility before considering implementation details.
13. What is the template hierarchy?

What is the template hierarchy? The user-role inheritance tree The ordered rules WordPress uses to choose a template for a request The order of database tables The CSS cascade only

Hint
Separate presentation responsibilities from reusable site functionality.
14. What happens if a filter callback forgets to return the filtered value?

What happens if a filter callback forgets to return the filtered value? WordPress automatically returns the original value The filter becomes an action Later callbacks may receive null or an unintended value PHP always throws a fatal error

Hint
Actions may ignore return values; filters may not.
15. What is a secondary query?

What is a secondary query? The login request A backup database server An additional content query created without replacing the main request A CSS media query

Hint
Identify the WordPress API responsibility before considering implementation details.
16. What is a plugin text domain used for?

What is a plugin text domain used for? Associating translatable strings with the plugin translation catalogue Creating database tables Authorizing users Registering routes

Hint
Identify the WordPress API responsibility before considering implementation details.
17. Which style.css header links a child theme to its parent?

Which style.css header links a child theme to its parent? Requires Theme Template Parent Extends

Hint
Separate presentation responsibilities from reusable site functionality.
18. What does orderby control?

What does orderby control? The template filename The field or expression used to sort results The sort direction only The query post type

Hint
Identify the WordPress API responsibility before considering implementation details.
19. Who can normally view a private post?

Who can normally view a private post? Every anonymous visitor Authenticated users with the required capability No one including administrators Only search engines

Hint
Place the concept in the WordPress request, content, or permission model.
20. When is a taxonomy usually preferable to plain metadata?

When is a taxonomy usually preferable to plain metadata? When the value has no shared meaning When values are reusable classifications users browse or filter by When storing an arbitrary serialized cache When storing one private API token

Hint
Identify the data-model or security responsibility before choosing the API.
21. What does meta_query filter by?

What does meta_query filter by? Template hierarchy Media file bytes Post metadata conditions PHP function names

Hint
Identify the WordPress API responsibility before considering implementation details.
22. What is the role of the root index.php in a standard WordPress request?

What is the role of the root index.php in a standard WordPress request? It contains database credentials It is a small front controller entry that loads the WordPress blog header It defines the active theme CSS It stores all posts

Hint
Place the concept in the WordPress request, content, or permission model.
23. Where are ordinary plugins installed by default?

Where are ordinary plugins installed by default? uploads/plugins wp-includes/extensions wp-admin/plugins wp-content/plugins

Hint
Place the concept in the WordPress request, content, or permission model.
24. What does current_user_can() check?

What does current_user_can() check? Whether PHP is current Whether a value is sanitized Whether the current user has a capability in context Whether a nonce exists

Hint
Identify the data-model or security responsibility before choosing the API.
25. Which built-in taxonomy is non-hierarchical by default?

Which built-in taxonomy is non-hierarchical by default? Page parent User role Category Post tag

Hint
Place the concept in the WordPress request, content, or permission model.
26. What is required before using featured images as a declared theme feature?

What is required before using featured images as a declared theme feature? A REST nonce A posts_where filter A custom database table add_theme_support( 'post-thumbnails' )

Hint
Declare support during theme setup.
27. Why can get_theme_file_uri() be useful?

Why can get_theme_file_uri() be useful? It checks the child theme before falling back to the parent for a relative file It always returns an upload URL It registers a REST route It creates the file

Hint
Separate presentation responsibilities from reusable site functionality.
28. What does order normally specify?

What does order normally specify? The database connection Ascending or descending result direction The number of results The selected post type

Hint
Identify the WordPress API responsibility before considering implementation details.
29. What is permission_callback responsible for?

What is permission_callback responsible for? Registering JavaScript Sanitizing every response Authorizing whether the request may reach the main callback Creating the route namespace

Hint
Consider lifecycle, authorization, failure and long-term maintenance.
30. What does absint() produce?

What does absint() produce? An escaped HTML attribute A database query A non-negative integer A boolean only

Hint
Identify the data-model or security responsibility before choosing the API.
31. What does tax_query filter by?

What does tax_query filter by? Theme templates Taxonomy terms HTTP headers User passwords

Hint
Identify the WordPress API responsibility before considering implementation details.
32. Which function sanitizes an email address?

Which function sanitizes an email address? wp_unslash_url() esc_html() absint() sanitize_email()

Hint
Identify the data-model or security responsibility before choosing the API.
33. What do post-type labels control?

What do post-type labels control? Human-readable names used in administration interfaces HTTP status codes Theme file paths Database credentials

Hint
Identify the data-model or security responsibility before choosing the API.
34. What does the public argument broadly influence?

What does the public argument broadly influence? Whether PHP code is open source Whether all posts are published Whether the type is intended for public administration and frontend use Whether users need passwords

Hint
Identify the data-model or security responsibility before choosing the API.
35. Which function verifies a general WordPress nonce?

Which function verifies a general WordPress nonce? sanitize_text_field() wp_verify_nonce() wp_nonce_field() check_password()

Hint
Identify the data-model or security responsibility before choosing the API.
36. When is pre_get_posts useful?

When is pre_get_posts useful? Adjusting an existing query before it runs Loading plugin files Rendering every query result Creating database tables

Hint
Identify the WordPress API responsibility before considering implementation details.
37. Which function sanitizes a lowercase machine-readable key?

Which function sanitizes a lowercase machine-readable key? esc_js() sanitize_textarea_field() wpautop() sanitize_key()

Hint
Identify the data-model or security responsibility before choosing the API.
38. What is functions.php used for in a theme?

What is functions.php used for in a theme? Replacing wp-config.php Serving uploaded files Storing all post content Theme setup and hooked functionality

Hint
Separate presentation responsibilities from reusable site functionality.
39. Which function returns the active child theme directory URL?

Which function returns the active child theme directory URL? get_stylesheet_directory_uri() get_template_directory_uri() content_url() only admin_url()

Hint
Separate presentation responsibilities from reusable site functionality.
40. Why can offset complicate ordinary pagination?

Why can offset complicate ordinary pagination? It changes result positioning and can conflict with page calculations It deletes skipped posts It disables SQL It changes the site URL

Hint
Identify the WordPress API responsibility before considering implementation details.
41. Why use plugin path and URL helper functions rather than hard-coded installation paths?

Why use plugin path and URL helper functions rather than hard-coded installation paths? PHP cannot read strings URLs are always secret WordPress installations and directories can vary Plugins run only on localhost

Hint
Identify the WordPress API responsibility before considering implementation details.
42. What does the third get_post_meta() argument control?

What does the third get_post_meta() argument control? Whether to publish the post Whether to delete the key Whether to return one value instead of an array of values Whether to escape HTML

Hint
Identify the data-model or security responsibility before choosing the API.
43. What does has_filter() return when a specific callback is registered?

What does has_filter() return when a specific callback is registered? The callback result Its priority The hook name The number of accepted arguments

Hint
The return value must distinguish priorities.
44. Why should a theme enqueue styles and scripts?

Why should a theme enqueue styles and scripts? It stores assets in the database It makes every asset private It replaces the template hierarchy WordPress can manage dependencies, versions and correct placement

Hint
Separate presentation responsibilities from reusable site functionality.
45. What is the broad responsibility of wp-settings.php?

What is the broad responsibility of wp-settings.php? Render only the login form Initialize the WordPress environment, core components, plugins and theme setup Process image uploads only Store permalink rules

Hint
Place the concept in the WordPress request, content, or permission model.
46. What does body_class() help add?

What does body_class() help add? A database column An HTTP cookie A page title Contextual classes to the body element

Hint
Identify the role of the WordPress function or extension point.
47. What is a hook callback?

What is a hook callback? An HTML comment A database response The hook name itself A callable function or method registered to run on a hook

Hint
Identify the role of the WordPress function or extension point.
48. What is the difference between validation and sanitization?

What is the difference between validation and sanitization? Sanitization grants capabilities They are identical Validation rejects unacceptable input; sanitization cleans it into an acceptable form Validation escapes output

Hint
Reject versus clean.
49. Who normally submits forms through options.php?

Who normally submits forms through options.php? Every anonymous visitor A user with the capability required by the settings page The active theme process Only WP-Cron

Hint
Consider lifecycle, authorization, failure and long-term maintenance.
50. What is the default hook priority when none is specified?

What is the default hook priority when none is specified? 10 0 1 100

Hint
Identify the role of the WordPress function or extension point.

1. Why should essential site functionality usually not live only in a theme?

2. Which hooks handle authenticated custom form requests sent to admin-post.php?

3. What does a post author relationship identify?

4. When is 404.php used?

5. What is special about plugins placed in wp-content/mu-plugins?

6. What should a plugin do with its recurring events on deactivation?

7. What does WordPress core mean?

8. Where are themes installed by default?

9. How should server-side WordPress code treat submitted form data?

10. What are the two main kinds of WordPress hooks?

11. Which function returns the parent theme directory URL?

12. Why might a plugin file check whether ABSPATH is defined?

13. What is the template hierarchy?

14. What happens if a filter callback forgets to return the filtered value?

15. What is a secondary query?

16. What is a plugin text domain used for?

17. Which style.css header links a child theme to its parent?

18. What does orderby control?

19. Who can normally view a private post?

20. When is a taxonomy usually preferable to plain metadata?

21. What does meta_query filter by?

22. What is the role of the root index.php in a standard WordPress request?

23. Where are ordinary plugins installed by default?

24. What does current_user_can() check?

25. Which built-in taxonomy is non-hierarchical by default?

26. What is required before using featured images as a declared theme feature?

27. Why can get_theme_file_uri() be useful?

28. What does order normally specify?

29. What is permission_callback responsible for?

30. What does absint() produce?

31. What does tax_query filter by?

32. Which function sanitizes an email address?

33. What do post-type labels control?

34. What does the public argument broadly influence?

35. Which function verifies a general WordPress nonce?

36. When is pre_get_posts useful?

37. Which function sanitizes a lowercase machine-readable key?

38. What is functions.php used for in a theme?

39. Which function returns the active child theme directory URL?

40. Why can offset complicate ordinary pagination?

41. Why use plugin path and URL helper functions rather than hard-coded installation paths?

42. What does the third get_post_meta() argument control?

43. What does has_filter() return when a specific callback is registered?

44. Why should a theme enqueue styles and scripts?

45. What is the broad responsibility of wp-settings.php?

46. What does body_class() help add?

47. What is a hook callback?

48. What is the difference between validation and sanitization?

49. Who normally submits forms through options.php?

50. What is the default hook priority when none is specified?