public static function parse($filename, $del=".")
    {
        if (is_null(self::$_instance)) {
            self::$_instance = new self($filename, $del);
        }
        return self::$_instance->getObj();
        //return self::$_instance;
    }
public static function parse($filename, $del=".")
    {
        if (is_null(self::$_instance)) {
            self::$_instance = new self($filename, $del);
        }
        return self::$_instance->getObj();
        //return self::$_instance;
    }
public static function parse ( $ filename , $ del = "." ) { if ( is_null ( self :: $ _instance ) ) { self :: $ _instance = new self ( $ filename , $ del ) ; } return self :: $ _instance -> getObj ( ) ; //return self::$_instance; }
Singleton pattern constructor

@param string ini filename
@param string delimiter, it is '.' by default but can be changed
@return object : object containing ini data
Singleton pattern constructor