WP_User

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The WP_User class in WordPress is a powerful tool that allows developers to manage and manipulate user data within a WordPress site. This class represents an individual user and provides a wide range of methods and properties to work with user information.

The WP_User class is used to retrieve and modify user data such as username, email address, display name, password, and more. It can be used to check various user capabilities, roles, and permissions, making it an essential part of user management in WordPress.

One of the key uses of the WP_User class is to retrieve user information and display it on the front-end or in the admin area of a WordPress site. For example, you can use the get_user_by() function to retrieve a WP_User object based on a specific user ID, username, email, or any other user field.

Once you have a WP_User object, you can access and manipulate various user properties like username, email, or display name using the object’s properties. Additionally, you can use methods like add_role(), remove_role(), or set_role() to manage user roles and capabilities.

Here is an example code snippet that demonstrates how to retrieve a WP_User object and display the user’s email address on a WordPress site:

$user_id = 123; // Replace with the desired user ID
$user = get_user_by('ID', $user_id);

if ($user instanceof WP_User) {
    echo 'User Email: ' . $user->user_email;
}

In this example, we are retrieving the WP_User object for a user with the ID 123 using the get_user_by() function. Then, we check if the returned object is an instance of the WP_User class to ensure successful retrieval. Finally, we access the user’s email address using the user_email property and display it on the website.

The WP_User class provides a wealth of functionality for managing and interacting with user data in WordPress. Whether you need to retrieve user information, modify user roles, or perform user-related operations, the WP_User class is the go-to tool for WordPress developers.

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