/**
* Returns an instance of Zend_Auth
*
* Singleton pattern implementation
*
* @return Zend_Auth Provides a fluent interface
*/
public static function getInstance()
{
if (null === self::$_instance) {
self::$_instance = new self();
}
// self::$_instance = new self();
try {
if (!Zend_Session::isStarted()) {
Zend_Session::start();
}
} catch (Zend_Session_Exception $e) {
echo $e->getFile();
echo $e->getMessage();
echo $e->getTrace();
}
self::$_session_id = session_id();
return self::$_instance;
}