/**
* Invalidate a groups object cache
*
* @param mixed $groups A group or an array of groups to invalidate
*
* @return bool
*/
function wp_cache_flush_group($groups = 'default')
{
return WP_Object_Cache::instance()->flush_groups($groups);
}
/**
* Switch the internal blog id.
*
* This changes the blog id used to create keys in blog specific groups.
*
* @param int $blog_id Blog ID
*/
function wp_cache_switch_to_blog($blog_id)
{
WP_Object_Cache::instance()->switch_to_blog($blog_id);
}
