/**
* Get a value from standard input.
*
* @param string $question The question you want to ask user.
*
* @return string The input string from standard input.
*
* @since 2.0
*/
public function in($question = null)
{
$question = $question ?: $this->question;
if ($question && !$this->io->getInput() instanceof NullInput) {
$this->io->out()->out($question, false);
}
$value = $this->io->in();
return $value;
}
