public static function beforeSaveBody($text)
    {
        static::correctParams();
        $webfilesSubdir = static::$webfilesSubdir;
        $webfilesSubdirOld = static::$webfilesSubdirOld;

        $baseUrl = Yii::$app->urlManager->getBaseUrl();
        $trTable = [
            "src=\"{$baseUrl}/{$webfilesSubdirOld}" => "src=\"@{$webfilesSubdir}", //!! old -> new
            "src=\"{$baseUrl}/{$webfilesSubdir}" => "src=\"@{$webfilesSubdir}",

//...todo add useful here...

        ];
        $text = strtr($text, $trTable);
        return $text;
    }