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<?php
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2004-2008 Dokeos SPRL
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Copyright (c) 2003 Ghent University (UGent)
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Copyright (c) 2001 Universite catholique de Louvain (UCL)
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Copyright (c) various contributors
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See the GNU General Public License for more details.
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Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
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Mail: info@dokeos.com
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==============================================================================
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*/
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/**
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* These files are a complete rework of the forum. The database structure is
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* based on phpBB but all the code is rewritten. A lot of new functionalities
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* are added:
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* - forum categories and forums can be sorted up or down, locked or made invisible
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* - consistent and integrated forum administration
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* - forum options: are students allowed to edit their post?
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* moderation of posts (approval)
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* reply only forums (students cannot create new threads)
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* multiple forums per group
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* - sticky messages
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* - new view option: nested view
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* - quoting a message
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*
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* @Author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @Copyright Ghent University
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* @Copyright Patrick Cool
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*
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* @package dokeos.forum
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*/
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// name of the language file that needs to be included
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$language_file = array('forum','document');
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// including the global dokeos file
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require_once '../inc/global.inc.php';
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require_once '../gradebook/lib/gradebook_functions.inc.php';
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// the section (tabs)
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$this_section=SECTION_COURSES;
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// notice for unauthorized people.
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api_protect_course_script(true);
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// including additional library scripts
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require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
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include_once (api_get_path(LIBRARY_PATH).'groupmanager.lib.php');
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$nameTools=get_lang('Forum');
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// configuration for FCKeditor
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$fck_attribute['Width'] = '100%';
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$fck_attribute['Height'] = '300';
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$fck_attribute['ToolbarSet'] = 'Middle';
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$fck_attribute['Config']['IMUploadPath'] = 'upload/forum/';
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$fck_attribute['Config']['FlashUploadPath'] = 'upload/forum/';
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$fck_attribute['Config']['InDocument'] = false;
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$fck_attribute['Config']['CreateDocumentDir'] = '../../courses/'.api_get_course_path().'/document/';
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if(!api_is_allowed_to_edit(false,true)) {
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$fck_attribute['Config']['UserStatus'] = 'student';
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}
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/*
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-----------------------------------------------------------
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Including necessary files
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-----------------------------------------------------------
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*/
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include('forumconfig.inc.php');
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include('forumfunction.inc.php');
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//are we in a lp ?
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$origin = '';
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if(isset($_GET['origin'])) {
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$origin = Security::remove_XSS($_GET['origin']);
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}
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/*
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==============================================================================
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MAIN DISPLAY SECTION
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==============================================================================
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*/
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/*
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-----------------------------------------------------------
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Retrieving forum and forum categorie information
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-----------------------------------------------------------
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*/
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$current_forum=get_forum_information($_GET['forum']); // note: this has to be validated that it is an existing forum.
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$current_forum_category=get_forumcategory_information($current_forum['forum_category']);
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/*
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-----------------------------------------------------------
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Breadcrumbs
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-----------------------------------------------------------
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*/
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if( (isset($_GET['gradebook']) && $_GET['gradebook']=='view') || ( isset($_POST['gradebook']) && $_POST['gradebook']=='view')) {
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$interbreadcrumb[]= array (
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'url' => '../gradebook/index.php',
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'name' => get_lang('Gradebook')
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);
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}
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$interbreadcrumb[]=array("url" => "index.php","name" => $nameTools);
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$interbreadcrumb[]=array("url" => "viewforumcategory.php?forumcategory=".$current_forum_category['cat_id'],"name" => $current_forum_category['cat_title']);
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$interbreadcrumb[]=array("url" => "viewforum.php?origin=".$origin."&forum=".Security::remove_XSS($_GET['forum']),"name" => $current_forum['forum_title']);
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$interbreadcrumb[]=array("url" => "newthread.php?origin=".$origin."&forum=".Security::remove_XSS($_GET['forum']),"name" => get_lang('NewTopic'));
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/*
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-----------------------------------------------------------
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Resource Linker
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-----------------------------------------------------------
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*/
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if (isset($_POST['add_resources']) AND $_POST['add_resources']==get_lang('Resources')) {
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$_SESSION['formelements']=$_POST;
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$_SESSION['origin']=$_SERVER['REQUEST_URI'];
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$_SESSION['breadcrumbs']=$interbreadcrumb;
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header("Location: ../resourcelinker/resourcelinker.php");
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}
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/*
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-----------------------------------------------------------
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Header
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-----------------------------------------------------------
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*/
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if($origin=='learnpath') {
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include(api_get_path(INCLUDE_PATH).'reduced_header.inc.php');
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} else {
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Display :: display_header(null);
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api_display_tool_title($nameTools);
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}
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/*
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-----------------------------------------------------------
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Is the user allowed here?
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-----------------------------------------------------------
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*/
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// the user is not allowed here if:
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// 1. the forumcategory or forum is invisible (visibility==0) and the user is not a course manager
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// 2. the forumcategory or forum is locked (locked <>0) and the user is not a course manager
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// 3. new threads are not allowed and the user is not a course manager
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// 4. anonymous posts are not allowed and the user is not logged in
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// I have split this is several pieces for clarity.
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if (!api_is_allowed_to_edit(false,true) && (($current_forum_category['visibility']==0 || $current_forum['visibility']==0))) {
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forum_not_allowed_here();
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}
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// 2. the forumcategory or forum is locked (locked <>0) and the user is not a course manager
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if (!api_is_allowed_to_edit(false,true) AND ($current_forum_category['locked']<>0 OR $current_forum['locked']<>0)) {
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forum_not_allowed_here();
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}
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// 3. new threads are not allowed and the user is not a course manager
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if (!api_is_allowed_to_edit(false,true) AND $current_forum['allow_new_threads']<>1) {
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forum_not_allowed_here();
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}
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// 4. anonymous posts are not allowed and the user is not logged in
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if (!$_user['user_id'] AND $current_forum['allow_anonymous']<>1) {
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forum_not_allowed_here();
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}
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/*
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-----------------------------------------------------------
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Display forms / Feedback Messages
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-----------------------------------------------------------
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*/
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handle_forum_and_forumcategories();
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/*
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-----------------------------------------------------------
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Display Forum Category and the Forum information
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-----------------------------------------------------------
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*/
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echo "<table class=\"data_table\" width='100%'>\n";
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if ($origin != 'learnpath') {
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echo "\t<tr>\n\t\t<th align=\"left\" colspan=\"2\">";
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echo '<span class="forum_title">'.prepare4display($current_forum['forum_title']).'</span>';
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if (!empty ($current_forum['forum_comment'])) {
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echo '<br><span class="forum_description">'.prepare4display($current_forum['forum_comment']).'</span>';
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}
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if (!empty ($current_forum_category['cat_title'])) {
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echo '<br /><span class="forum_low_description">'.prepare4display($current_forum_category['cat_title'])."</span><br />";
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}
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echo "</th>\n";
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echo "\t</tr>\n";
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}
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echo '</table>';
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$values=show_add_post_form('newthread','', isset($_SESSION['formelements'])?$_SESSION['formelements']:null);
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if (!empty($values) and isset($values['SubmitPost'])) {
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//add new thread in table forum_thread
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store_thread($values);
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}
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/*
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==============================================================================
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FOOTER
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==============================================================================
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*/
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if ($origin!='learnpath') {
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Display :: display_footer();
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}
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