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