WordPress at a glance
function is not described

clean_site_details_cache() WP 4.7.4

Cleans the site details cache for a site.

No Hooks.

Return

Nothing (null).

Usage

clean_site_details_cache( $site_id );
$site_id(int)
Site ID.
Default: current site ID

Code of clean site details cache: wp-includes/ms-blogs.php VER 5.1.1

<?php
function clean_site_details_cache( $site_id = 0 ) {
	$site_id = (int) $site_id;
	if ( ! $site_id ) {
		$site_id = get_current_blog_id();
	}

	wp_cache_delete( $site_id, 'site-details' );
	wp_cache_delete( $site_id, 'blog-details' );
}