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Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 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 keeps track of upgrades to
// the glossary module
//
// Sometimes, changes between versions involve
// alterations to database structures and other
// major things that may break installations.
//
// The upgrade function in this file will attempt
// to perform all the necessary actions to upgrade
// your older installation to the current version.
//
// If there's something it cannot do itself, it
// will tell you what you need to do.
//
// The commands in here will all be database-neutral,
// using the methods of database_manager class
//
// Please do not forget to use upgrade_set_timeout()
// before any action that may take longer time to finish.

function xmldb_glossary_upgrade($oldversion) {
    global $DB;

< // Automatically generated Moodle v3.5.0 release upgrade line. < // Put any upgrade step following this. < < if ($oldversion < 2018051401) { < < // Fetch the module ID for the glossary module. < $glossarymoduleid = $DB->get_field('modules', 'id', ['name' => 'glossary']); < < // Get id of section 1 on the frontpage course. < $fpsection1 = $DB->get_field('course_sections', 'id', ['course' => SITEID, 'section' => 1]); < < // Fetch sections for the frontpage not matching 1. < $sectionselect = 'course = :course AND section <> 1'; < $sitesections = $DB->get_recordset_select('course_sections', $sectionselect, ['course' => SITEID]); < $newsection1cmids = []; < foreach ($sitesections as $section) { < // Check if we have anything to process for this section. < if (empty($section->sequence)) { < // If there's none, ignore. < continue; < } < // Fetch the course module IDs of the course modules in the section. < $cmids = explode(',', $section->sequence); < $nonglossarycmids = []; < // Update the section in the course_modules table for glossary instances if necessary. < foreach ($cmids as $cmid) { < $params = [ < 'id' => $cmid, < 'module' => $glossarymoduleid < ]; < // Check if the record in the course_modules tables is that of a glossary activity. < if ($DB->record_exists('course_modules', $params)) { < // If so, move it to front page's section 1. < $DB->set_field('course_modules', 'section', $fpsection1, $params); < $newsection1cmids[] = $cmid; < } else { < // Otherwise, ignore this course module as we only want to update glossary items. < $nonglossarycmids[] = $cmid; < } < } < // Check if we need to update the section record or we can delete it. < if (!empty($nonglossarycmids)) { < // Update the section record with a sequence that now excludes the glossary instance(s) (if it changed). < $sequence = implode(',', $nonglossarycmids); < if ($sequence != $section->sequence) { < $DB->set_field('course_sections', 'sequence', $sequence, ['id' => $section->id]); < } < } else { < // This section doesn't contain any items anymore, we can remove this. < $DB->delete_records('course_sections', ['id' => $section->id]); < } < } < $sitesections->close(); < < // Update the sequence field for the site's section 1 if necessary. < if (!empty($newsection1cmids)) { < $section1params = [ < 'course' => SITEID, < 'section' => 1 < ]; < $section1sequence = $DB->get_field('course_sections', 'sequence', $section1params); < $newsection1sequence = implode(',', array_merge([$section1sequence], $newsection1cmids)); < // Update the sequence field of the first section for the front page. < $DB->set_field('course_sections', 'sequence', $newsection1sequence, $section1params); < } < < upgrade_mod_savepoint(true, 2018051401, 'glossary'); < } < < // Automatically generated Moodle v3.6.0 release upgrade line.
> // Automatically generated Moodle v3.9.0 release upgrade line.
// Put any upgrade step following this.
< // Automatically generated Moodle v3.7.0 release upgrade line.
> // Automatically generated Moodle v4.0.0 release upgrade line.
// Put any upgrade step following this.
< // Automatically generated Moodle v3.8.0 release upgrade line.
> // Automatically generated Moodle v4.1.0 release upgrade line.
// Put any upgrade step following this.
< // Automatically generated Moodle v3.9.0 release upgrade line.
> // Automatically generated Moodle v4.2.0 release upgrade line.
// Put any upgrade step following this.
< // Automatically generated Moodle v3.10.0 release upgrade line.
> // Automatically generated Moodle v4.3.0 release upgrade line.
// Put any upgrade step following this. return true; }