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See Release Notes

  • Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
  • Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
  • PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.

Differences Between: [Versions 310 and 400] [Versions 311 and 400] [Versions 39 and 400] [Versions 400 and 401] [Versions 400 and 402] [Versions 400 and 403]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  /**
  17   * Book module upgrade code
  18   *
  19   * @package    mod_book
  20   * @copyright  2009-2011 Petr Skoda {@link http://skodak.org}
  21   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22   */
  23  
  24  defined('MOODLE_INTERNAL') || die;
  25  
  26  /**
  27   * Book module upgrade task
  28   *
  29   * @param int $oldversion the version we are upgrading from
  30   * @return bool always true
  31   */
  32  function xmldb_book_upgrade($oldversion) {
  33      global $CFG, $DB;
  34  
  35      $dbman = $DB->get_manager();
  36  
  37      // Automatically generated Moodle v3.6.0 release upgrade line.
  38      // Put any upgrade step following this.
  39  
  40      // Automatically generated Moodle v3.7.0 release upgrade line.
  41      // Put any upgrade step following this.
  42  
  43      // Automatically generated Moodle v3.8.0 release upgrade line.
  44      // Put any upgrade step following this.
  45  
  46      // Automatically generated Moodle v3.9.0 release upgrade line.
  47      // Put any upgrade step following this.
  48  
  49      if ($oldversion < 2021052501) {
  50          $table = new xmldb_table('book_chapters');
  51          $index = new xmldb_index('bookid', XMLDB_INDEX_NOTUNIQUE, ['bookid']);
  52          if (!$dbman->index_exists($table, $index)) {
  53              $dbman->add_index($table, $index);
  54          }
  55          upgrade_mod_savepoint(true, 2021052501, 'book');
  56      }
  57  
  58      // Automatically generated Moodle v4.0.0 release upgrade line.
  59      // Put any upgrade step following this.
  60  
  61      return true;
  62  }