/**
* Config getter
*
* @param string $key Config array key
* @return mixed If pass $key return one, else all config data
*/
public function getConfig($key = null)
{
if (isset($key)) {
if ($this->config->offsetExists($key)) {
return $this->config->offsetGet($key);
}
} else {
return $this->config->all();
}
}
