/**
* Get argument by offset or return default.
*
* @param int $offset Argument offset.
* @param callable|mixed $default Default value, if is a callable, will execute it.
*
* @return null|string Values from argument or user input.
*/
public function getArgument($offset, $default = null)
{
$value = $this->io->getArgument($offset);
if (!is_null($value)) {
return $value;
}
if (is_callable($default)) {
return $default();
}
return $default;
}
