Airship\Engine\Keyggdrasil::__construct PHP Method

    public function __construct(Hail $hail = null, DBInterface $db = null, array $channels = [])
    {
        $config = State::instance();
        if (empty($hail)) {
            $this->hail = $config->hail;
        } else {
            $this->hail = $hail;
        }
        if (empty($db)) {
            $db = \Airship\get_database();
        }
        $this->db = $db;
        foreach ($channels as $ch => $config) {
            $this->channelCache[$ch] = new Channel($this, $ch, $config);
        }
        if (!self::$continuumLogger) {
            self::$continuumLogger = new Log($this->db, 'keyggdrasil');
        }
    }