wp-includes/ms-functions.php:2426Updates the network-wide counts for the current network.
$network_idint|nulloptionalnullfunction wp_update_network_counts( $network_id = null ) { wp_update_network_user_counts( $network_id ); wp_update_network_site_counts( $network_id );}Introduced in 3.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/ms-functions.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.