TYPO3 / TYPO3.CMS

        }

        // Collect file values in array:

        if ($conf['MM']) {

            $theFileValues = [];

            $dbAnalysis = GeneralUtility::makeInstance(RelationHandler::class);

            $dbAnalysis->start('', 'files', $conf['MM'], $uid);

            foreach ($dbAnalysis->itemArray as $someval) {

                if ($someval['id']) {

                    $theFileValues[] = $someval['id'];

                }

            }

        } else {

            $theFileValues = explode(',', $value);

        }

        // Traverse the files and add them:

        $uploadFolder = $conf['internal_type'] === 'file' ? $conf['uploadfolder'] : '';

        $destinationFolder = $this->destPathFromUploadFolder($uploadFolder);

                    // Finding the CURRENT files listed, either from MM or from the current record.

                    $theFileValues = [];

                    // If MM relations for the files also!

                    if ($tcaFieldConf['MM']) {

                        $dbAnalysis = $this->createRelationHandlerInstance();

                        /** @var $dbAnalysis RelationHandler */

                        $dbAnalysis->start('', 'files', $tcaFieldConf['MM'], $id);

                        foreach ($dbAnalysis->itemArray as $item) {

                            if ($item['id']) {

                                $theFileValues[] = $item['id'];

                            }

                        }

                    } else {

                        $theFileValues = GeneralUtility::trimExplode(',', $curValue, true);

                    }

                    $currentFilesForHistory = implode(',', $theFileValues);

                    // DELETE files: If existing files were found, traverse those and register files for deletion which has been removed:

                    if (!empty($theFileValues)) {

        }

        // Get an array with files as values:

        if ($conf['MM']) {

            $theFileValues = [];

            /** @var $dbAnalysis RelationHandler */

            $dbAnalysis = $this->createRelationHandlerInstance();

            $dbAnalysis->start('', 'files', $conf['MM'], $uid);

            foreach ($dbAnalysis->itemArray as $somekey => $someval) {

                if ($someval['id']) {

                    $theFileValues[] = $someval['id'];

                }

            }

        } else {

            $theFileValues = GeneralUtility::trimExplode(',', $value, true);

        }

        // Traverse this array of files:

        $uploadFolder = $conf['internal_type'] === 'file' ? $conf['uploadfolder'] : '';

        $dest = PATH_site . $uploadFolder;