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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?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/>.

/**
 * @package moodlecore
 * @subpackage backup-plan
 * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

/**
 * Abstract class defining the basis for one execution (backup/restore) step
 *
 * TODO: Finish phpdocs
 */
abstract class base_step implements executable, loggable {

< protected $name; // One simple name for identification purposes < protected $task; // Task this is part of
> /** @var string One simple name for identification purposes */ > protected $name; > /** @var base_task|null Task this is part of */ > protected $task;
/** * Constructor - instantiates one object of this class */ public function __construct($name, $task = null) { if (!is_null($task) && !($task instanceof base_task)) { throw new base_step_exception('wrong_base_task_specified'); } $this->name = $name; $this->task = $task; if (!is_null($task)) { // Add the step to the task if specified $task->add_step($this); } } public function get_name() { return $this->name; } public function set_task($task) { if (! $task instanceof base_task) { throw new base_step_exception('wrong_base_task_specified'); } $this->task = $task; } /** * Destroy all circular references. It helps PHP 5.2 a lot! */ public function destroy() { // No need to destroy anything recursively here, direct reset $this->task = null; } public function log($message, $level, $a = null, $depth = null, $display = false) { if (is_null($this->task)) { throw new base_step_exception('not_specified_base_task'); } backup_helper::log($message, $level, $a, $depth, $display, $this->get_logger()); } /// Protected API starts here protected function get_settings() { if (is_null($this->task)) { throw new base_step_exception('not_specified_base_task'); } return $this->task->get_settings(); } protected function get_setting($name) { if (is_null($this->task)) { throw new base_step_exception('not_specified_base_task'); } return $this->task->get_setting($name); } protected function setting_exists($name) { if (is_null($this->task)) { throw new base_step_exception('not_specified_base_task'); } return $this->task->setting_exists($name); } protected function get_setting_value($name) { if (is_null($this->task)) { throw new base_step_exception('not_specified_base_task'); } return $this->task->get_setting_value($name); } protected function get_courseid() { if (is_null($this->task)) { throw new base_step_exception('not_specified_base_task'); } return $this->task->get_courseid(); } protected function get_basepath() { return $this->task->get_basepath(); } protected function get_logger() { return $this->task->get_logger(); } } /* * Exception class used by all the @base_step stuff */ class base_step_exception extends moodle_exception { public function __construct($errorcode, $a=NULL, $debuginfo=null) { parent::__construct($errorcode, '', '', $a, $debuginfo); } }