WordPress Error class.

Initializes the error.

Adds an error or appends an additional message to an existing error.

Adds data to an error with the given code.

Copies errors from one WP_Error instance to another.

Exports the errors in this object into the given one.

Retrieves all error data for an error code in the order in which the data was added.

Retrieves the first error code available.

Retrieves all error codes.

Retrieves the most recently added error data for an error code.