static function get_instance($context = False) { if (is_null(self::$_instance)) { $klass = get_class(); self::$_instance = new $klass($context); } return self::$_instance; }
static function get_instance($context = False) { if (is_null(self::$_instance)) { $klass = get_class(); self::$_instance = new $klass($context); } return self::$_instance; }