pharext\Exception::__construct PHP Method

    public function __construct($message = null, $code = 0, $previous = null)
    {
        if (!isset($message)) {
            $last_error = error_get_last();
            $message = $last_error["message"];
            if (!$code) {
                $code = $last_error["type"];
            }
        }
        parent::__construct($message, $code, $previous);
    }