kakserpom / phpdaemon

     */

    public function add($cmd, $keys = null, $argv = null)

    {

        if ($keys !== null) {

            if (is_scalar($keys)) {

                $keys = [(string)$keys];

            } elseif (!is_array($keys)) {

                throw new \Exception("Keys must be an array or scalar");

            }

        }

        if ($argv !== null) {

            if (is_scalar($argv)) {

                $argv = [(string)$argv];

                throw new \Exception("Keys must be an array or scalar");

            }

        }

        if ($argv !== null) {

            if (is_scalar($argv)) {

                $argv = [(string)$argv];

            } elseif (!is_array($argv)) {

                throw new \Exception("Argv must be an array or scalar");

            }

        }

        $this->cachedParams = false;

        $this->stack[] = [$cmd, $keys, $argv];