Does this user have the superuser role?
Same as calling $user->roles->has('name=superuser');
but potentially faster.
Usage
$bool = $user->isSuperuser();
Return value
bool
API reference based on ProcessWire core version 3.0.236
“Yesterday I sent the client a short documentation for their ProcessWire-powered website. Today all features already used with no questions. #cmsdoneright” —Marc Hinse, Web designer/developer