PMA\libraries\File::setUploadedFromTblChangeRequest PHP Méthode

    public function setUploadedFromTblChangeRequest($key, $rownumber)
    {
        if (!isset($_FILES['fields_upload']) || empty($_FILES['fields_upload']['name']['multi_edit'][$rownumber][$key])) {
            return false;
        }
        $file = File::fetchUploadedFromTblChangeRequestMultiple($_FILES['fields_upload'], $rownumber, $key);
        // check for file upload errors
        switch ($file['error']) {
            // we do not use the PHP constants here cause not all constants
            // are defined in all versions of PHP - but the correct constants names
            // are given as comment
            case 0:
                //UPLOAD_ERR_OK:
                return $this->setUploadedFile($file['tmp_name']);
            case 4:
                //UPLOAD_ERR_NO_FILE:
                break;
            case 1:
                //UPLOAD_ERR_INI_SIZE:
                $this->_error_message = Message::error(__('The uploaded file exceeds the upload_max_filesize directive in ' . 'php.ini.'));
                break;
            case 2:
                //UPLOAD_ERR_FORM_SIZE:
                $this->_error_message = Message::error(__('The uploaded file exceeds the MAX_FILE_SIZE directive that was ' . 'specified in the HTML form.'));
                break;
            case 3:
                //UPLOAD_ERR_PARTIAL:
                $this->_error_message = Message::error(__('The uploaded file was only partially uploaded.'));
                break;
            case 6:
                //UPLOAD_ERR_NO_TMP_DIR:
                $this->_error_message = Message::error(__('Missing a temporary folder.'));
                break;
            case 7:
                //UPLOAD_ERR_CANT_WRITE:
                $this->_error_message = Message::error(__('Failed to write file to disk.'));
                break;
            case 8:
                //UPLOAD_ERR_EXTENSION:
                $this->_error_message = Message::error(__('File upload stopped by extension.'));
                break;
            default:
                $this->_error_message = Message::error(__('Unknown error in file upload.'));
        }
        // end switch
        return false;
    }