HtmlDiff::PerformOperation PHP Метод

    private function PerformOperation($operation)
    {
        switch ($operation->Action) {
            case 'equal':
                $this->ProcessEqualOperation($operation);
                break;
            case 'delete':
                $this->ProcessDeleteOperation($operation, "diffdel");
                break;
            case 'insert':
                $this->ProcessInsertOperation($operation, "diffins");
                break;
            case 'replace':
                $this->ProcessReplaceOperation($operation);
                break;
            default:
                break;
        }
    }