User roles and permissions in Wordpress - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a user role in WordPress?

A user role in WordPress defines a set of permissions that control what a user can and cannot do on a website. It helps manage access and capabilities easily.

beginner

Name the default WordPress user roles.

The default WordPress user roles are: Administrator, Editor, Author, Contributor, and Subscriber. Each has different levels of access and permissions.

intermediate

What capability does the Administrator role have that others do not?

The Administrator role has full control over the website, including managing themes, plugins, users, and settings. Other roles have limited permissions.

intermediate

How can you customize user permissions in WordPress?

You can customize user permissions by using plugins like 'User Role Editor' or by adding custom code to modify capabilities for roles or individual users.

beginner

Why is it important to assign the correct user role?

Assigning the correct user role ensures users have only the access they need, which helps keep the website secure and organized by preventing unauthorized actions.

Which WordPress role can publish and manage posts but cannot install plugins?

A Author

B Administrator

C Editor

D Subscriber

Editors can publish and manage posts including others' posts but cannot install plugins, which is reserved for Administrators.

What is the default role assigned to new users in WordPress?

A Author

B Subscriber

C Contributor

D Editor

By default, new users are assigned the Subscriber role, which allows them to read content and manage their profile only.

Which capability is NOT typically allowed for the Contributor role?

A Write posts

B Delete own posts

C Edit own posts

D Publish posts

Contributors can write and edit their own posts but cannot publish them; publishing is done by Editors or Administrators.

How can you add a new custom user role in WordPress?

A By installing a plugin or adding code with add_role() function

B By editing the wp-config.php file

C Using the WordPress dashboard settings

D By changing the database directly

New roles can be added by plugins or by using the add_role() function in custom code.

Which role should you assign to a user who only needs to comment and read content?

A Subscriber

B Author

C Editor

D Administrator

Subscribers can read content and leave comments but cannot create or edit posts.

Explain the difference between the Editor and Author roles in WordPress.

Think about who can control others' content.

Describe how you would safely give a user permission to edit posts but not change site settings.

Focus on limiting access to settings.

Practice

1. What is the main purpose of user roles in WordPress?

easy

A. To group permissions and control what users can do

B. To change the website's theme

C. To add new plugins automatically

D. To backup the website data

Solution

1. Step 1: Understand the concept of user roles

   User roles in WordPress are designed to group permissions for users.

2. Step 2: Identify the purpose of roles

   Roles control what actions users are allowed to perform on the site.

3. Final Answer:

   To group permissions and control what users can do -> Option A

4. Quick Check:

   User roles = group permissions [OK]

Hint: Roles group permissions to control user actions [OK]

Common Mistakes:

• Confusing roles with themes or plugins
• Thinking roles backup data
• Assuming roles add new features automatically

2. Which function is used to add a new user role in WordPress?

easy

A. add_user_role()

B. add_role()

C. create_role()

D. new_role()

Solution

1. Step 1: Recall WordPress role functions

   The correct function to add a new role is add_role().

2. Step 2: Verify function names

   Other options like add_user_role() or create_role() do not exist in WordPress core.

3. Final Answer:

   add_role() -> Option B

4. Quick Check:

   Adding roles = add_role() [OK]

Hint: Use add_role() to create new roles [OK]

Common Mistakes:

• Using add_user_role() which is not a WordPress function
• Confusing with create_role() or new_role()
• Trying to add roles without this function

3. What will the following code output if the current user has the 'edit_posts' capability?

if (current_user_can('edit_posts')) {
  echo 'Can edit posts';
} else {
  echo 'Cannot edit posts';
}

medium

A. Cannot edit posts

B. Syntax error

C. No output

D. Can edit posts

Solution

1. Step 1: Understand current_user_can() behavior

   This function checks if the current user has a specific capability.

2. Step 2: Analyze the condition

   If the user has 'edit_posts', the code echoes 'Can edit posts'.

3. Final Answer:

   Can edit posts -> Option D

4. Quick Check:

   Has capability = prints confirmation [OK]

Hint: current_user_can() returns true if user has capability [OK]

Common Mistakes:

• Assuming it returns false always
• Confusing capability names
• Expecting syntax errors from correct code

4. Identify the error in this code snippet for removing a user role:

remove_role('editor');

medium

A. remove_role() requires two parameters

B. remove_role() cannot remove default roles

C. No error, this code correctly removes the 'editor' role

D. The role name must be capitalized

Solution

1. Step 1: Check remove_role() usage

   The function remove_role() takes one parameter: the role slug. This usage is correct.

2. Step 2: Verify default roles behavior

   WordPress allows removing default roles like 'editor' using remove_role(). The code executes without error, though default roles may be re-registered later.

3. Final Answer:

   No error, this code correctly removes the 'editor' role -> Option C

4. Quick Check:

   remove_role() works on all roles [OK]

Hint: remove_role('editor') works fine [OK]

Common Mistakes:

• Thinking remove_role needs two parameters
• Believing default roles cannot be removed
• Assuming role names must be capitalized

5. You want to create a custom role 'content_manager' that can edit posts and moderate comments. Which code snippet correctly adds this role with these capabilities?

hard

A. add_role('content_manager', 'Content Manager', ['edit_posts' => true, 'moderate_comments' => true]);

B. add_role('content_manager', 'Content Manager', ['edit_posts', 'moderate_comments']);

C. add_role('content_manager', 'Content Manager', ['edit_posts' => false, 'moderate_comments' => true]);

D. add_role('content_manager', 'Content Manager', ['edit_posts' => true, 'delete_posts' => true]);

Solution

1. Step 1: Understand add_role() parameters

   The function takes role slug, display name, and an array of capabilities with boolean values.

2. Step 2: Check capabilities array

   Capabilities must be keys with true/false values to grant or deny permissions.

3. Step 3: Match required capabilities

   Only add_role('content_manager', 'Content Manager', ['edit_posts' => true, 'moderate_comments' => true]); correctly grants 'edit_posts' and 'moderate_comments' as true.

4. Final Answer:

   add_role('content_manager', 'Content Manager', ['edit_posts' => true, 'moderate_comments' => true]); -> Option A

5. Quick Check:

   Capabilities array with true values = correct role setup [OK]

Hint: Capabilities array needs keys with true/false values [OK]

Common Mistakes:

• Passing capabilities as list without keys
• Setting capability to false when it should be true
• Adding wrong capabilities not requested