Registers an instance of the widget class.

Sets the internal order number for the widget instance.

Generates the actual widget content (Do NOT override).

Outputs the settings update form.

Generates the widget control form (Do NOT override).

Constructs id attributes for use in WP_Widget::form() fields.

Constructs name attributes for use in form() fields

Retrieves the settings for all instances of the widget class.

Saves the settings for all instances of the widget class.

Updates a particular instance of a widget.