wp_suspend_cache_invalidation() WP 2.7.0

Suspend cache invalidation.

Turns cache invalidation on and off. Useful during imports where you don't want to do invalidations every time a post is inserted. Callers must be sure that what they are doing won't lead to an inconsistent cache when invalidation is suspended.

No Hooks.

Return

true/false. The current suspend setting.

Usage

wp_suspend_cache_invalidation( $suspend );

$suspend(true/false)

Whether to suspend or enable cache invalidation.
Default: true

Code of wp suspend cache invalidation: wp-includes/functions.php ^{WP 5.2.2}

<?php
function wp_suspend_cache_invalidation( $suspend = true ) {
	global $_wp_suspend_cache_invalidation;

	$current_suspend                = $_wp_suspend_cache_invalidation;
	$_wp_suspend_cache_invalidation = $suspend;
	return $current_suspend;
}