wp-includes/option.php:793Loads and primes caches of certain often requested network options if is_multisite().
$network_idintoptionalnullfunction wp_load_core_site_options( $network_id = null ) { if ( ! is_multisite() || wp_installing() ) { return; } $core_options = array( 'site_name', 'siteurl', 'active_sitewide_plugins', '_site_transient_timeout_theme_roots', '_site_transient_theme_roots', 'site_admins', 'can_compress_scripts', 'global_terms_enabled', 'ms_files_rewriting', 'WPLANG' ); wp_prime_network_option_caches( $network_id, $core_options );}Introduced in 3.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/option.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.