Zend FR

protected function _initSession(){

         $config = new Zend_Config_Ini(APP_PATH.'/configs/session.ini', APP_ENV);
                  
        Zend_Session::setOptions($config->toArray());
        
        $session = new Zend_Session_Namespace($config->name);
        
        Zend_Registry::set('session', $session);
            
        return $session;
          
    }

class machintruc_Controller_Plugins_Session extends Zend_Controller_Plugin_Abstract
{     

    private $_session;
    
    public function __construct(){
        
        $this->_session = Zend_Registry::get('session');

                
    }

 ...