This namespaced function returns a uuid4 string.
use function Midnite81\Core\Functions\uuid;
$uuid = uuid(); // example return: 66fb42bf-ae0c-42c7-8261-13e73c163eb3 This returns the first argument which is not null or an empty string.
use function Midnite81\Core\Functions\first_value;
$first = first_value(null, null, 'pete'); // returns 'pete'