C:/xampp/htdocs/moodle/blocks/quiz_results/backup/moodle2/restore_quiz_results_block_task.class.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 restore_quiz_results_block_task extends restore_block_task {

    protected function define_my_settings() {
    }

    protected function define_my_steps() {
    }

    public function get_fileareas() {
        return array(); // No associated fileareas
    }

    public function get_configdata_encoded_attributes() {
        return array(); // No special handling of configdata
    }

    public function after_restore() {
        global $DB;

        // Get the blockid
        $blockid = $this->get_blockid();

        // Extract block configdata and update it to point to the new quiz
        if ($configdata = $DB->get_field('block_instances', 'configdata', array('id' => $blockid))) {
            $config = unserialize(base64_decode($configdata));
            if (!empty($config->quizid)) {
                // Get quiz mapping and replace it in config
                if ($quizmap = restore_dbops::get_backup_ids_record($this->get_restoreid(), 'quiz', $config->quizid)) {
                    $config->quizid = $quizmap->newitemid;
                    $configdata = base64_encode(serialize($config));
                    $DB->set_field('block_instances', 'configdata', $configdata, array('id' => $blockid));
                }
            }
        }
    }

    static public function define_decode_contents() {
        return array();
    }

    static public function define_decode_rules() {
        return array();
    }
}