WordPress at a glance
function is not described

WP_Widget_Recent_Comments::flush_widget_cache() public WP 2.8.0

Deprecated from version 4.4.0 Fragment caching was removed in favor of split queries.. It is no longer supported and can be removed in future releases. It is recommended to replace this function with the same one.

Flushes the Recent Comments widget cache.

{} It's a method of the class: WP_Widget_Recent_Comments{}

No Hooks.

Return

null. Nothing.

Usage

$WP_Widget_Recent_Comments = new WP_Widget_Recent_Comments();
$WP_Widget_Recent_Comments->flush_widget_cache();

Changelog

Since 2.8.0 Introduced.
Deprecated Since 4.4.0 Fragment caching was removed in favor of split queries.

Code of WP_Widget_Recent_Comments::flush_widget_cache() WP 5.7.2

<?php
public function flush_widget_cache() {
	_deprecated_function( __METHOD__, '4.4.0' );
}