/**
* The concrete output instance
*/
- private $outputInstance = null;
+ private $outputInstance = NULL;
/**
* An instance of this class
*/
- private static $thisInstance = null;
+ private static $thisInstance = NULL;
/**
* Protected constructor
*
* @return $thisInstance An instance of this class
*/
- public static final function getInstance() {
+ public static final function getSelfInstance() {
return self::$thisInstance;
}