三种获取配置信息的方法

public function getConfigAction()
{
    $config=Yaf\Application::app()->getConfig();
    var_dump($config->application->toArray());
    exit;
}

public function getConfig2Action()
{
    $config= new Yaf\Config\Ini(APPLICATION_PATH.'/conf/application.ini','common');
    var_dump($config->toArray());
    exit;
}

public function getConfig3Action()
{
    $config= \Yaf\Registry::get('config');
    var_dump($config);
    exit;
}