/**
* Retrieve an option (using dots separator for iterative search)
*
* @example $this->getOption('parameters.config.captcha.apikey')
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public function getOption($key, $default = null)
{
// Root search like parent class
$key = explode('.', $key);
$k = array_shift($key);
$opt = parent::getOption($k);
// Iterative search
foreach ($key as $k) {
if (!isset($opt[$k])) {
return $default;
}
$opt = $opt[$k];
}
return $opt !== null ? $opt : $default;
}
