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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.
/mod/wiki/ -> diff.php (source)
<?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/>.

/**
 * This file contains all necessary code to view a diff page
 *
 * @package mod_wiki
 * @copyright 2009 Marc Alier, Jordi Piguillem marc.alier@upc.edu
 * @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu
 *
 * @author Jordi Piguillem
 * @author Marc Alier
 * @author David Jimenez
 * @author Josep Arus
 * @author Kenneth Riba
 *
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once('../../config.php');

require_once($CFG->dirroot . '/mod/wiki/lib.php');
require_once($CFG->dirroot . '/mod/wiki/locallib.php');
require_once($CFG->dirroot . '/mod/wiki/pagelib.php');

require_once($CFG->dirroot . '/mod/wiki/diff/difflib.php');
< require_once($CFG->dirroot . '/mod/wiki/diff/diff_nwiki.php');
$pageid = required_param('pageid', PARAM_TEXT); $compare = required_param('compare', PARAM_INT); $comparewith = required_param('comparewith', PARAM_INT); if (!$page = wiki_get_page($pageid)) { print_error('incorrectpageid', 'wiki'); } if (!$subwiki = wiki_get_subwiki($page->subwikiid)) { print_error('incorrectsubwikiid', 'wiki'); } if (!$wiki = wiki_get_wiki($subwiki->wikiid)) { print_error('incorrectwikiid', 'wiki'); } if (!$cm = get_coursemodule_from_instance('wiki', $wiki->id)) { print_error('invalidcoursemodule'); } $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST); if ($compare >= $comparewith) { print_error('cannotcomparenewerversion', 'wiki'); } require_course_login($course, true, $cm); if (!wiki_user_can_view($subwiki, $wiki)) { print_error('cannotviewpage', 'wiki'); } $wikipage = new page_wiki_diff($wiki, $subwiki, $cm); $wikipage->set_page($page); $wikipage->set_comparison($compare, $comparewith); $event = \mod_wiki\event\page_diff_viewed::create( array( 'context' => context_module::instance($cm->id), 'objectid' => $pageid, 'other' => array( 'comparewith' => $comparewith, 'compare' => $compare ) )); $event->add_record_snapshot('wiki_pages', $page); $event->add_record_snapshot('wiki', $wiki); $event->add_record_snapshot('wiki_subwikis', $subwiki); $event->trigger(); $wikipage->print_header(); $wikipage->print_content(); $wikipage->print_footer();