Carview!

Saves the settings for all instances of the widget class.

Parameters

$settingsarrayrequired: Multi-dimensional array of widget instance settings.

public function save_settings( $settings ) {
	$settings['_multiwidget'] = 1;
	update_option( $this->option_name, $settings );
}

Uses	Description
update_option()`wp-includes/option.php`	Updates the value of an option that was already added.

Used by	Description
WP_Widget::update_callback()`wp-includes/class-wp-widget.php`	Handles changed settings (Do NOT override).
WP_Widget::get_settings()`wp-includes/class-wp-widget.php`	Retrieves the settings for all instances of the widget class.

Version	Description
2.8.0	Introduced.