wp-includes/cache.php:356Adds a group or set of groups to the list of global groups.
$groupsstring|string[]function wp_cache_add_global_groups( $groups ) { global $wp_object_cache; $wp_object_cache->add_global_groups( $groups );}Introduced in 2.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/cache.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.