C:/xampp/htdocs/moodle/lib/dtl/database_mover.php

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<?php

// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.


defined('MOODLE_INTERNAL') || die();

class database_mover extends database_exporter {
    protected $importer;
    protected $feeback;

    public function __construct(moodle_database $mdb_source, moodle_database $mdb_target,
            $check_schema = true, progress_trace $feeback = null) {
        if (empty($feeback)) {
            $this->feeback = new null_progress_trace();
        } else {
            $this->feeback = $feeback;
        }
        if ($check_schema) {
            $this->feeback->output(get_string('checkingsourcetables', 'core_dbtransfer'));
        }
        parent::__construct($mdb_source, $check_schema);
        $this->feeback->output(get_string('creatingtargettables', 'core_dbtransfer'));
        $this->importer = new database_importer($mdb_target, $check_schema);
    }

    public function set_transaction_mode($mode) {
        $this->importer->set_transaction_mode($mode);
    }

    public function begin_database_export($version, $release, $timestamp, $description) {
        $this->feeback->output(get_string('copyingtables', 'core_dbtransfer'));
        $this->importer->begin_database_import($version, $timestamp, $description);
    }

    public function begin_table_export(xmldb_table $table) {
        $this->feeback->output(get_string('copyingtable', 'core_dbtransfer', $table->getName()), 1);
        $this->importer->begin_table_import($table->getName(), $table->getHash());
    }

    public function export_table_data(xmldb_table $table, $data) {
        $this->importer->import_table_data($table->getName(), $data);
    }

    public function finish_table_export(xmldb_table $table) {
        $this->feeback->output(get_string('done', 'core_dbtransfer', $table->getName()), 2);
        $this->importer->finish_table_import($table->getName());
    }

    public function finish_database_export() {
        $this->importer->finish_database_import();
    }
}