wp-includes/ms-network.php:132Adds any networks from the given IDs to the cache that do not already exist in cache.
$network_idsarrayfunction _prime_network_caches( $network_ids ) { global $wpdb; $non_cached_ids = _get_non_cached_ids( $network_ids, 'networks' ); if ( ! empty( $non_cached_ids ) ) { $fresh_networks = $wpdb->get_results( sprintf( "SELECT $wpdb->site.* FROM $wpdb->site WHERE id IN (%s)", implode( ',', array_map( 'intval', $non_cached_ids ) ) ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared update_network_cache( $fresh_networks ); }}Introduced in 4.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/ms-network.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.