WP_Widget
Class: Core base class extended to register widgets.
Source: wp-includes/class-wp-widget.php:21
widget_update_callback
Filter Hook: Filters a widget’s settings before saving.
Source: wp-includes/class-wp-widget.php:476
WP_Widget::widget()
Method: Echoes the widget content.
Source: wp-includes/class-wp-widget.php:113
WP_Widget::form_callback()
Method: Generates the widget control form (Do NOT override).
Source: wp-includes/class-wp-widget.php:503
WP_Widget::update()
Method: Updates a particular instance of a widget.
Source: wp-includes/class-wp-widget.php:131
widget_form_callback
Filter Hook: Filters the widget instance’s settings before displaying the control form.
Source: wp-includes/class-wp-widget.php:530
WP_Widget::form()
Method: Outputs the settings update form.
Source: wp-includes/class-wp-widget.php:143
in_widget_form
Action Hook: Fires at the end of the widget control form.
Source: wp-includes/class-wp-widget.php:553
WP_Widget::__construct()
Method: PHP5 constructor.
Source: wp-includes/class-wp-widget.php:163
WP_Widget::_register_one()
Method: Registers an instance of the widget class.
Source: wp-includes/class-wp-widget.php:567