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   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  /**
  18   * MathJAX filter upgrade code.
  19   *
  20   * @package    filter_mathjaxloader
  21   * @copyright  2014 Damyon Wiese ([email protected])
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  /**
  26   * @param int $oldversion the version we are upgrading from
  27   * @return bool result
  28   */
  29  function xmldb_filter_mathjaxloader_upgrade($oldversion) {
  30      global $CFG, $DB;
  31  
  32      $dbman = $DB->get_manager();
  33  
  34      // Moodle v2.7.0 release upgrade line.
  35      // Put any upgrade step following this.
  36  
  37      if ($oldversion < 2014081100) {
  38  
  39          $sslcdnurl = get_config('filter_mathjaxloader', 'httpsurl');
  40          if ($sslcdnurl === "https://c328740.ssl.cf1.rackcdn.com/mathjax/2.3-latest/MathJax.js") {
  41              set_config('httpsurl', 'https://cdn.mathjax.org/mathjax/2.3-latest/MathJax.js', 'filter_mathjaxloader');
  42          }
  43  
  44          upgrade_plugin_savepoint(true, 2014081100, 'filter', 'mathjaxloader');
  45      }
  46  
  47      // Moodle v2.8.0 release upgrade line.
  48      // Put any upgrade step following this.
  49  
  50      return true;
  51  }