File Source for lp

<?php //$id: $
/**
* Script that displays an error message when no content could be loaded
* @package dokeos.learnpath
* @author Yannick Warnier <ywarnier@beeznest.org>
*/
/**
* Nothing very interesting
*/
$debug = 0;
if($debug>0){error_log('New lp - In lp_content.php',0);}
if(empty($lp_controller_touched)){
if($debug>0){error_log('New lp - In lp_content.php - Redirecting to lp_controller',0);}
header('location: lp_controller.php?action=content&lp_id='.$_REQUEST['lp_id'].'&item_id='.$_REQUEST['item_id']);
}
$_SESSION['oLP']->error = '';
$lp_type = $_SESSION['oLP']->get_type();
$lp_item_id = $_SESSION['oLP']->get_current_item_id();
/**
* Get a link to the corresponding document
*/
$src = '';
if($debug>0){error_log('New lp - In lp_content.php - Looking for file url',0);}
switch($lp_type){
case 1:
$_SESSION['oLP']->stop_previous_item();
$prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
if($prereq_check === true){
$src = $_SESSION['oLP']->get_link('http',$lp_item_id);
$_SESSION['oLP']->start_current_item(); //starts time counter manually if asset
}else{
$src = 'blank.php?error=prerequisites';
}
break;
case 2:
case 3:
//save old if asset
$_SESSION['oLP']->stop_previous_item(); //save status manually if asset
$prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
if($prereq_check === true){
$src = $_SESSION['oLP']->get_link('http',$lp_item_id);
$_SESSION['oLP']->start_current_item(); //starts time counter manually if asset
}else{
$src = 'blank.php';
}
break;
case 4:
break;
}
if($debug>0){error_log('New lp - In lp_content.php - File url is '.$src,0);}
$_SESSION['oLP']->set_previous_item($lp_item_id);
// Define the 'doc.inc.php' as language file
$nameTools = $_SESSION['oLP']->get_name();
$interbreadcrumb[]= array ("url"=>"./lp_list.php", "name"=> get_lang('Doc'));
//update global setting to avoid displaying right menu
$save_setting = get_setting("show_navigation_menu");
global $_setting;
$_setting['show_navigation_menu'] = false;
if($debug>0){error_log('New LP - In lp_content.php - Loading '.$src,0);}
header("Location: ".urldecode($src));

Source for file lp_content.php