Sets the authentication cookies based on user ID.

Changes the current user by ID or name.

Updates the user’s password with a new encrypted one.

Displays a human readable HTML representation of the difference between two strings.

Validates authentication cookie.

Validates a URL for use in a redirect.

Verifies that a correct security nonce was used with time limit.

Filters the list of allowed hosts to redirect to.

Filters the authentication cookie.

Fires if a bad authentication cookie hash is encountered.