Airship\Cabin\Bridge\Blueprint\UserAccounts::generateUniqueId PHP Method

    protected function generateUniqueId() : string
    {
        $unique = '';
        $query = 'SELECT count(*) FROM airship_users WHERE uniqueid = ?';
        do {
            if (!empty($unique)) {
                // This will probably never be executed. It will be a nice easter egg if it ever does.
                $state = State::instance();
                $state->logger->log(LogLevel::ALERT, "A unique user ID collision occurred. This should never happen. (There are 2^192 possible values," . "which has approximately a 50% chance of a single collision occurring after 2^96 users," . "and the database can only hold 2^64). This means you're either extremely lucky or your CSPRNG " . "is broken. We hope it's luck. Airship is clever enough to try again and not fail " . "(so don't worry), but we wanted to make sure you were aware.", ['colliding_random_id' => $unique]);
            }
            $unique = \Airship\uniqueId();
        } while ($this->db->exists($query, $unique));
        return $unique;
    }