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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   * TeX filter upgrade code.
  19   *
  20   * @package    filter
  21   * @subpackage tex
  22   * @copyright  2011 Petr Skoda (http://skodak.org)
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  /**
  27   * @param int $oldversion the version we are upgrading from
  28   * @return bool result
  29   */
  30  function xmldb_filter_tex_upgrade($oldversion) {
  31      global $CFG, $DB;
  32  
  33      $dbman = $DB->get_manager();
  34  
  35  
  36      // Moodle v2.3.0 release upgrade line
  37      // Put any upgrade step following this
  38  
  39  
  40      // Moodle v2.4.0 release upgrade line
  41      // Put any upgrade step following this
  42  
  43  
  44      // Moodle v2.5.0 release upgrade line.
  45      // Put any upgrade step following this.
  46  
  47  
  48      // Moodle v2.6.0 release upgrade line.
  49      // Put any upgrade step following this.
  50  
  51      if ($oldversion < 2013120300) {
  52          $settings = array(
  53                  'density', 'latexbackground', 'convertformat', 'pathlatex',
  54                  'convertformat', 'pathconvert', 'pathdvips', 'latexpreamble');
  55  
  56          // Move tex settings to config_pluins and delete entries from the config table.
  57          foreach ($settings as $setting) {
  58              $existingkey = 'filter_tex_'.$setting;
  59              if (array_key_exists($existingkey, $CFG)) {
  60                  set_config($setting, $CFG->{$existingkey}, 'filter_tex');
  61                  unset_config($existingkey);
  62              }
  63          }
  64  
  65          upgrade_plugin_savepoint(true, 2013120300, 'filter', 'tex');
  66      }
  67  
  68      // Moodle v2.7.0 release upgrade line.
  69      // Put any upgrade step following this.
  70  
  71      // Moodle v2.8.0 release upgrade line.
  72      // Put any upgrade step following this.
  73  
  74      return true;
  75  }