public function getConfig($key = null, $default = null)
    {
        return $this->formHelper->getConfig($key, $default, $this->formConfig);
    }
public function getConfig($key = null, $default = null)
    {
        return $this->formHelper->getConfig($key, $default, $this->formConfig);
    }
public function getConfig ( $ key = null , $ default = null ) { return $ this -> formHelper -> getConfig ( $ key , $ default , $ this -> formConfig ) ; }
Get the passed config key using the custom
form config, if any.

@param string $key
@param mixed $default

@return mixed
Get the passed config key using the custom form config if any .