For Multisite blogs, checks if the authenticated user has been marked as a spammer, or if the user’s primary blog has been marked as spam.

Authenticates a user, confirming the username and password are valid.

Provides a simpler way of inserting a user into the database.

Creates and logs a user request to perform a specific action.

Removes all session tokens for the current user from the database.

Removes the current session token from the database.

Removes all but the current session token for the current user for the database.

Creates dropdown HTML content of users.

Returns a confirmation key for a user action and stores the hashed version for future comparison.

Retrieves a list of sessions for the current user.