C:/xampp/htdocs/moodle/mod/wiki/prettyview.php

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<?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/>.

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');

$pageid = required_param('pageid', PARAM_INT); // Page ID

if (!$page = wiki_get_page($pageid)) {
    print_error('incorrectpageid', 'wiki');
}
if (!$subwiki = wiki_get_subwiki($page->subwikiid)) {
    print_error('incorrectsubwikiid', 'wiki');
}
if (!$cm = get_coursemodule_from_instance("wiki", $subwiki->wikiid)) {
    print_error('invalidcoursemodule');
}
$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
if (!$wiki = wiki_get_wiki($subwiki->wikiid)) {
    print_error('incorrectwikiid', 'wiki');
}

require_login($course->id, true, $cm);

$context = get_context_instance(CONTEXT_MODULE, $cm->id);
require_capability('mod/wiki:viewpage', $context);

add_to_log($course->id, "wiki", "view", "prettyview.php?pageid=$pageid", "$wiki->id");

$wikipage = new page_wiki_prettyview($wiki, $subwiki, $cm);

$wikipage->set_page($page);

$wikipage->print_header();
$wikipage->print_content();
$wikipage->print_footer();