PHPPM\Client::getControllerSocket PHP Method

    protected function getControllerSocket()
    {
        $host = $this->getNewControllerHost(false);
        $port = $this->controllerPort;
        $localSocket = '';
        if (filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
            $localSocket = 'tcp://' . $host . ':' . $port;
        } elseif (filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
            // enclose IPv6 addresses in square brackets before appending port
            $localSocket = 'tcp://[' . $host . ']:' . $port;
        } elseif (preg_match('#^unix://#', $host)) {
            $localSocket = $host;
        } else {
            throw new \UnexpectedValueException('"' . $host . '" does not match to a set of supported transports. ' . 'Supported transports are: IPv4, IPv6 and unix:// .', 1433253311);
        }
        return $localSocket;
    }