WordPress at a glance
function is not described

update_posts_count() WP 3.0.0

Update a blog's post count.

WordPress MS stores a blog's post count as an option so as to avoid extraneous COUNTs when a blog's details are fetched with get_site(). This function is called when posts are published or unpublished to make sure the count stays current.

  • Global. wpdb. $wpdb WordPress database abstraction object.

No Hooks.

Return

Nothing (null).

Usage

update_posts_count( $deprecated );
$deprecated(string)
Not used.
Default: ''

Code of update posts count: wp-includes/ms-functions.php VER 5.0.3

<?php
function update_posts_count( $deprecated = '' ) {
	global $wpdb;
	update_option( 'post_count', (int) $wpdb->get_var( "SELECT COUNT(ID) FROM {$wpdb->posts} WHERE post_status = 'publish' and post_type = 'post'" ) );
}