widget_(id_base)_instance filter-hook . WP 4.8.0

Filters the media widget instance prior to rendering the media.

Usage

add_filter( 'widget_(id_base)_instance', 'filter_function_name_3284', 10, 3 );
function filter_function_name_3284( $instance, $args, $this ){
	// filter...

	return $instance;
}

$instance(array)

Instance data.

$args(array)

Widget args.

$this(WP_Widget_Media)

Widget object.

Where the hook is called

$instance = apply_filters( "widget_{$this->id_base}_instance", $instance, $args, $this );

Where the hook is used (in WP core)