Webmozart\Console\Api\IO\Input::readLine PHP Method

    public function readLine($default = null, $length = null)
    {
        if (!$this->interactive) {
            return $default;
        }
        return $this->stream->readLine($length);
    }

 /**
  * Reads a line from the standard input.
  *
  * @param string $default The default to return if interaction is disabled.
  * @param int    $length  The maximum number of characters to read. If
  *                        `null`, all characters up to the first newline are
  *                        returned.
  *
  * @return string The characters read from the input.
  *
  * @throws IOException If reading fails or if the standard input is closed.
  */
 public function readLine($default = null, $length = null)
 {
     return $this->input->readLine($default, $length);
 }