/**
* Singleton pattern
*
* @return class Singleton instance
*/
public static function getInstance($parent)
{
if (!self::$_instance) {
self::$_instance = new self($parent);
}
return self::$_instance;
}
/**
* Singleton pattern
*
* @return class Singleton instance
*/
public static function getInstance($parent)
{
if (!self::$_instance) {
self::$_instance = new self($parent);
}
return self::$_instance;
}
