Filters a widget’s settings before saving.

Description

Returning false will effectively short-circuit the widget’s ability to update settings.

Parameters

$instancearray

The current widget instance’s settings.

$new_instancearray

Array of new widget settings.

$old_instancearray

Array of old widget settings.

$widgetWP_Widget

The current widget instance.

Source

$instance = apply_filters( 'widget_update_callback', $instance, $new_instance, $old_instance, $this );

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