widget_update_callback WordPress Filter Hook
The widget_update_callback hook is triggered when a widget is updated. It allows you to perform custom actions when a widget is updated, such as saving extra settings or displaying a confirmation message.
apply_filters( 'widget_update_callback', array $instance , array $new_instance , array $old_instance , WP_Widget $widget ) #
Filters a widget’s settings before saving.
Description
Returning false will effectively short-circuit the widget’s ability to update settings.
Parameters
- $instance
(array)The current widget instance's settings.
- $new_instance
(array)Array of new widget settings.
- $old_instance
(array)Array of old widget settings.
- $widget
(WP_Widget)The current widget instance.
Source
Changelog
| Version | Description |
|---|---|
| 2.8.0 | Introduced. |