WordPress File wp-includes/class-wp-widget.php

WP_Widget::form_callback()

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.

Determines whether the current request is inside the Customizer preview.

Saves the settings for all instances of the widget class.

Updates a particular instance of a widget.

Handles changed settings (Do NOT override).

Echoes the widget content.

PHP4 constructor.