Spork\Exception\ForkException::__construct PHP Метод

    public function __construct($name, $pid, Error $error = null)
    {
        $this->name = $name;
        $this->pid = $pid;
        $this->error = $error;
        if ($error) {
            if (__CLASS__ === $error->getClass()) {
                parent::__construct(sprintf('%s via "%s" fork (%d)', $error->getMessage(), $name, $pid));
            } else {
                parent::__construct(sprintf('%s (%d) thrown in "%s" fork (%d): "%s" (%s:%d)', $error->getClass(), $error->getCode(), $name, $pid, $error->getMessage(), $error->getFile(), $error->getLine()));
            }
        } else {
            parent::__construct(sprintf('An unknown error occurred in "%s" fork (%d)', $name, $pid));
        }
    }