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Details about widget_update_callback

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Files

Filename Hook Type Line Number PHP Doc
wp-includes/class-wp-widget.php apply_filters 476 /**
* Filters a widget's settings before saving.
*
* Returning false will effectively short-circuit the widget's ability
* to update settings.
*
* @since 2.8.0
*
* @param array $instance The current widget instance's settings.
* @param array $new_instance Array of new widget settings.
* @param array $old_instance Array of old widget settings.
* @param WP_Widget $widget The current widget instance.
*/

Hook Parameters

Parameter Type Name Description
array $instance The current widget instance's settings.
array $new_instance Array of new widget settings.
array $old_instance Array of old widget settings.
WP_Widget $widget The current widget instance.