WordPress at a glance
filter is not described

widget_display_callback filter-hook . WP 1.0

This filter is documented in wp-includes/class-wp-widget.php

Usage

add_filter( 'widget_display_callback', 'filter_function_name_9899', 10, 3 );
function filter_function_name_9899( $instance, $widget_obj, $args ){
	// filter...

	return $instance;
}
$instance
-
$widget_obj
-
$args
-

Where the hook is called

the_widget()
widget_display_callback
WP_Widget::display_callback()
widget_display_callback
wp-includes/widgets.php 1194
$instance = apply_filters( 'widget_display_callback', $instance, $widget_obj, $args );
wp-includes/class-wp-widget.php 369
$instance = apply_filters( 'widget_display_callback', $instance, $this, $args );

Where in WP core the hook is used WordPress

Usage not found.