phprs\util\NestedStringCut::__construct PHP Метод

    public function __construct($str)
    {
        $pos = 0;
        $state = 'stateNormal';
        while (true) {
            $pos = $this->{$state}($str, $pos, $state);
            if ($pos === false) {
                break;
            }
        }
        return false;
    }