Classes/Service/ImageResizer.php
protected function reportAdditionalStorageClaimed($bytes)
    {
        $legacyFileName = PATH_site . 'typo3conf/.tx_imageautoresize';
        $fileName = PATH_site . 'typo3temp/.tx_imageautoresize';

        // Note: transfer of legacy filename should be removed after some time
        if (file_exists($legacyFileName) && !file_exists($fileName)) {
            @rename($legacyFileName, $fileName);
        }

        $data = [];
        if (file_exists($fileName)) {
            $data = json_decode(file_get_contents($fileName), true);
            if (!is_array($data)) {
                $data = [];
            }
        }

        $data['bytes'] = $bytes + (isset($data['bytes']) ? (int)$data['bytes'] : 0);
        $data['images'] = 1 + (isset($data['images']) ? (int)$data['images'] : 0);

        GeneralUtility::writeFile($fileName, json_encode($data));
    }
protected function reportAdditionalStorageClaimed($bytes)
    {
        $legacyFileName = PATH_site . 'typo3conf/.tx_imageautoresize';
        $fileName = PATH_site . 'typo3temp/.tx_imageautoresize';

        // Note: transfer of legacy filename should be removed after some time
        if (file_exists($legacyFileName) && !file_exists($fileName)) {
            @rename($legacyFileName, $fileName);
        }

        $data = [];
        if (file_exists($fileName)) {
            $data = json_decode(file_get_contents($fileName), true);
            if (!is_array($data)) {
                $data = [];
            }
        }

        $data['bytes'] = $bytes + (isset($data['bytes']) ? (int)$data['bytes'] : 0);
        $data['images'] = 1 + (isset($data['images']) ? (int)$data['images'] : 0);

        GeneralUtility::writeFile($fileName, json_encode($data));
    }
Stores how many extra bytes have been freed.

@param integer $bytes
@return void