private function getFiles(FileUpload $uploader): array
    {
        $files = $uploader->uploadTo('system/tmp');

        if (\count($files) < 1) {
            throw new \RuntimeException($this->translator->trans('ERR.all_fields', [], 'contao_default'));
        }

        foreach ($files as &$file) {
            $extension = pathinfo($file, PATHINFO_EXTENSION);

            if ('csv' !== $extension) {
                throw new \RuntimeException(
                    sprintf($this->translator->trans('ERR.filetype', [], 'contao_default'), $extension)
                );
            }

            $file = $this->projectDir.'/'.$file;
        }

        return $files;
    }
private function getFiles(FileUpload $uploader): array
    {
        $files = $uploader->uploadTo('system/tmp');

        if (\count($files) < 1) {
            throw new \RuntimeException($this->translator->trans('ERR.all_fields', [], 'contao_default'));
        }

        foreach ($files as &$file) {
            $extension = pathinfo($file, PATHINFO_EXTENSION);

            if ('csv' !== $extension) {
                throw new \RuntimeException(
                    sprintf($this->translator->trans('ERR.filetype', [], 'contao_default'), $extension)
                );
            }

            $file = $this->projectDir.'/'.$file;
        }

        return $files;
    }
private function getFiles ( FileUpload $ uploader ) : array { $ files = $ uploader -> uploadTo ( 'system/tmp' ) ; if ( \ count ( $ files ) < 1 ) { throw new \ RuntimeException ( $ this -> translator -> trans ( 'ERR.all_fields' , [ ] , 'contao_default' ) ) ; } foreach ( $ files as & $ file ) { $ extension = pathinfo ( $ file , PATHINFO_EXTENSION ) ; if ( 'csv' !== $ extension ) { throw new \ RuntimeException ( sprintf ( $ this -> translator -> trans ( 'ERR.filetype' , [ ] , 'contao_default' ) , $ extension ) ) ; } $ file = $ this -> projectDir . '/' . $ file ; } return $ files ; }
Returns the uploaded files from a FileUpload instance.

@throws \RuntimeException

@return string[]
Returns the uploaded files from a FileUpload instance .