PMA\libraries\controllers\table\TableStructureController::getMultipleFieldCommandType PHP Метод

    protected function getMultipleFieldCommandType()
    {
        $types = array('change', 'drop', 'primary', 'index', 'unique', 'spatial', 'fulltext', 'browse');
        foreach ($types as $type) {
            if (isset($_REQUEST['submit_mult_' . $type . '_x'])) {
                return $type;
            }
        }
        if (isset($_REQUEST['submit_mult'])) {
            return $_REQUEST['submit_mult'];
        } elseif (isset($_REQUEST['mult_btn']) && $_REQUEST['mult_btn'] == __('Yes')) {
            if (isset($_REQUEST['selected'])) {
                $_REQUEST['selected_fld'] = $_REQUEST['selected'];
            }
            return 'row_delete';
        }
        return null;
    }