User Roles and Capabilities

Question 1

Q: What is a user role in WordPress?

Answer 1

A: A collection of permissions that defines what actions a user can perform on a site.

Question 2

Q: How many default user roles does WordPress have?

Answer 2

A: Six (Subscriber, Contributor, Author, Editor, Administrator, Super Admin).

Question 3

Q: What is the primary purpose of user roles?

Answer 3

A: To manage access and control what users can and cannot do on a WordPress site.

Question 4

Q: What is the role of a Super Admin?

Answer 4

A: A user with access to the entire network of sites in a WordPress Multisite.

Question 5

Q: Where can you assign or change a user’s role in the WordPress admin?

Answer 5

A: In the Users section of the dashboard.

Question 6

Q: What can a Subscriber do by default?

Answer 6

A: Manage their own profile and leave comments.

Question 7

Q: What can a Contributor do by default?

Answer 7

A: Write and edit their own posts but cannot publish them.

Question 8

Q: What can an Author do by default?

Answer 8

A: Publish, edit, and delete their own posts.

Question 9

Q: What can an Editor do by default?

Answer 9

A: Manage and edit all posts, including those written by others.

Question 10

Q: What can an Administrator do by default?

Answer 10

A: Perform all actions, including managing plugins, themes, and user roles.

Question 11

Q: What are capabilities in WordPress?

Answer 11

A: Specific permissions that determine what actions a user can perform.

Question 12

Q: How are capabilities linked to user roles?

Answer 12

A: Each role has a set of capabilities assigned to it.

Question 13

Q: Name a capability that allows a user to edit posts.

Answer 13

A: edit_posts.

Question 14

Q: Name a capability that allows a user to delete posts.

Answer 14

A: delete_posts.

Question 15

Q: What capability is required to manage plugins?

Answer 15

A: activate_plugins.

Question 16

Q: What function is used to add a custom role in WordPress?

Answer 16

A: add_role().

Question 17

Q: What function is used to remove a custom role in WordPress?

Answer 17

A: remove_role().

Question 18

Q: How can you add a capability to an existing role?

Answer 18

A: Use the add_cap() method.

Question 19

Q: How can you remove a capability from an existing role?

Answer 19

A: Use the remove_cap() method.

Question 20

Q: What is the syntax for adding a custom role?

Answer 20

add_role( ‘custom_role’, ‘Custom Role Name’, array( ‘read’ => true ) );

Question 21

Q: What function checks if a user has a specific capability?

Answer 21

A: current_user_can().

Question 22

Q: How can you check if the current user is an Administrator?

Answer 22

if ( current_user_can( ‘administrator’ ) ) {
// User is an Administrator
}

Question 23

Q: How do you check if a user has the capability to edit a specific post?

Answer 23

if ( current_user_can( ‘edit_post’, $post_id ) ) {
// User can edit the post
}

Question 24

Q: What function retrieves the role of a specific user?

Answer 24

A: $user->roles.

Question 25

Q: How do you check if a user belongs to a specific role?

Answer 25

if ( in_array( ‘editor’, $user->roles ) ) {
// User is an Editor
}

Question 26

Q: Why would you create a custom user role?

Answer 26

A: To provide tailored permissions for specific site needs.

Question 27

Q: Can a custom user role inherit capabilities from another role?

Answer 27

A: No, roles are independent and must be explicitly assigned capabilities.

Question 28

Q: How can you list all roles on a WordPress site?

Answer 28

A: Use the wp_roles global variable.

Question 29

Q: What function is used to modify a user’s role programmatically?

Answer 29

A: $user->set_role( ‘role_name’ ).

Question 30

Q: How can you assign multiple roles to a user?

Answer 30

A: Use the add_role() method on the WP_User object for additional roles.

Question 31

Q: What additional role exists in WordPress Multisite?

Answer 31

A: Super Admin.

Question 32

Q: What is the difference between an Administrator and a Super Admin?

Answer 32

A: An Administrator manages a single site, while a Super Admin manages the entire network.

Question 33

Q: What capability is required to create a new site in a Multisite network?

Answer 33

A: manage_network.

Question 34

Q: How do you check if a user is a Super Admin?

Answer 34

A: is_super_admin().

Question 35

Q: What capability allows a Super Admin to manage themes?

Answer 35

A: manage_network_themes.

Question 36

Q: Why should you assign the least privileged role necessary to a user?

Answer 36

A: To enhance security by limiting access to sensitive features.

Question 37

Q: Why is it important to test custom roles before deploying them?

Answer 37

A: To ensure users can perform only the intended actions.

Question 38

Q: How can you reset roles and capabilities to their default values?

Answer 38

A: Deactivate and reactivate the theme or plugin that modified them.

Question 39

Q: Why should you use descriptive names for custom roles?

Answer 39

A: To make it clear what the role is intended for.

Question 40

Q: How can you document custom roles and capabilities for future reference?

Answer 40

A: Maintain detailed comments in your code or create separate documentation.