Pimcore\Model\Asset\Video::clearThumbnails PHP Метод

    public function clearThumbnails($force = false)
    {
        if ($this->_dataChanged || $force) {
            // clear the thumbnail custom settings
            $this->setCustomSetting("thumbnails", null);
            // video thumbnails and image previews
            $files = glob(PIMCORE_TEMPORARY_DIRECTORY . "/video-image-cache/video_" . $this->getId() . "__*");
            if (is_array($files)) {
                foreach ($files as $file) {
                    unlink($file);
                }
            }
            recursiveDelete($this->getImageThumbnailSavePath());
            recursiveDelete($this->getVideoThumbnailSavePath());
        }
    }