phpbb\convert\convertor::jump PHP Method

    function jump($converter, $jump, $last_statement)
    {
        /** @var \phpbb\db\driver\driver_interface $src_db */
        /** @var \phpbb\cache\driver\driver_interface $cache */
        global $user, $src_db, $same_db, $db, $phpbb_root_path, $phpEx, $config, $cache;
        global $convert;
        include_once $phpbb_root_path . 'includes/functions_admin.' . $phpEx;
        $this->template->assign_block_vars('checks', array('S_LEGEND' => true, 'LEGEND' => $user->lang['PROCESS_LAST']));
        if ($jump == 1) {
            // Execute 'last' statements/queries
            if (!empty($convert->convertor['execute_last'])) {
                if (!is_array($convert->convertor['execute_last'])) {
                    // @codingStandardsIgnoreStart
                    eval($convert->convertor['execute_last']);
                    // @codingStandardsIgnoreEnd
                } else {
                    while ($last_statement < sizeof($convert->convertor['execute_last'])) {
                        // @codingStandardsIgnoreStart
                        eval($convert->convertor['execute_last'][$last_statement]);
                        // @codingStandardsIgnoreEnd
                        $this->template->assign_block_vars('checks', array('TITLE' => $convert->convertor['execute_last'][$last_statement], 'RESULT' => $user->lang['DONE']));
                        $last_statement++;
                        $url = $this->save_convert_progress($converter, 'jump=1&amp;last=' . $last_statement);
                        $percentage = $last_statement == 0 ? 0 : floor(100 / (sizeof($convert->convertor['execute_last']) / $last_statement));
                        $msg = sprintf($user->lang['STEP_PERCENT_COMPLETED'], $last_statement, sizeof($convert->convertor['execute_last']), $percentage);
                        $this->template->assign_vars(array('L_SUBMIT' => $user->lang['CONTINUE_LAST'], 'BODY' => $msg, 'U_ACTION' => $url));
                        $this->meta_refresh($url);
                        return;
                    }
                }
            }
            if (!empty($convert->convertor['query_last'])) {
                if (!is_array($convert->convertor['query_last'])) {
                    $convert->convertor['query_last'] = array('target', array($convert->convertor['query_last']));
                } else {
                    if (!is_array($convert->convertor['query_last'][0])) {
                        $convert->convertor['query_last'] = array(array($convert->convertor['query_last'][0], $convert->convertor['query_last'][1]));
                    }
                }
                foreach ($convert->convertor['query_last'] as $query_last) {
                    if ($query_last[0] == 'src') {
                        if ($convert->mysql_convert && $same_db) {
                            $src_db->sql_query("SET NAMES 'binary'");
                        }
                        $src_db->sql_query($query_last[1]);
                        if ($convert->mysql_convert && $same_db) {
                            $src_db->sql_query("SET NAMES 'utf8'");
                        }
                    } else {
                        $db->sql_query($query_last[1]);
                    }
                }
            }
            // Sanity check
            $db->sql_return_on_error(false);
            $src_db->sql_return_on_error(false);
            fix_empty_primary_groups();
            $sql = 'SELECT MIN(user_regdate) AS board_startdate
				FROM ' . USERS_TABLE;
            $result = $db->sql_query($sql);
            $row = $db->sql_fetchrow($result);
            $db->sql_freeresult($result);
            if (!isset($config['board_startdate']) || $row['board_startdate'] < $config['board_startdate'] && $row['board_startdate'] > 0) {
                $config->set('board_startdate', $row['board_startdate']);
                $db->sql_query('UPDATE ' . USERS_TABLE . ' SET user_regdate = ' . $row['board_startdate'] . ' WHERE user_id = ' . ANONYMOUS);
            }
            update_dynamic_config();
            $this->template->assign_block_vars('checks', array('TITLE' => $user->lang['CLEAN_VERIFY'], 'RESULT' => $user->lang['DONE']));
            $url = $this->save_convert_progress($converter, 'jump=2');
            $this->template->assign_vars(array('L_SUBMIT' => $user->lang['CONTINUE_CONVERT'], 'U_ACTION' => $url));
            $this->meta_refresh($url);
            return;
        }
        if ($jump == 2) {
            $db->sql_query('UPDATE ' . USERS_TABLE . " SET user_permissions = ''");
            // TODO: sync() is likely going to bomb out on forums with a considerable amount of topics.
            // TODO: the sync function is able to handle FROM-TO values, we should use them here (batch processing)
            sync('forum', '', '', false, true);
            $cache->destroy('sql', FORUMS_TABLE);
            $this->template->assign_block_vars('checks', array('TITLE' => $user->lang['SYNC_FORUMS'], 'RESULT' => $user->lang['DONE']));
            // Continue with synchronizing the forums...
            $url = $this->save_convert_progress($converter, 'sync_batch=0');
            $this->template->assign_vars(array('L_SUBMIT' => $user->lang['CONTINUE_CONVERT'], 'U_ACTION' => $url));
            $this->meta_refresh($url);
            return;
        }
    }