wp-includes/capabilities.php:1163Retrieves a list of super admins.
string[]function get_super_admins() { global $super_admins; if ( isset( $super_admins ) ) { return $super_admins; } else { return get_site_option( 'site_admins', array( 'admin' ) ); }}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/capabilities.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.