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378 lines
16 KiB
378 lines
16 KiB
<?php //$id:$
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/**
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* This script displays statistics on the current learning path (scorm)
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*
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* This script must be included by lp_controller.php to get basic initialisation
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* @package dokeos.learnpath
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* @author Yannick Warnier <ywarnier@beeznest.org>
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*/
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/**
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* Handfull functions
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*/
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/**
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* Return the number of interactions for the given learnpath Item View ID
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* @param integer Item View ID
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* @return integer Number of interactions
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*/
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function get_interactions_count_from_db($lp_iv_id=0){
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$table = Database::get_course_table('lp_iv_interaction');
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$sql = "SELECT count(*) FROM $table WHERE lp_iv_id = $lp_iv_id";
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$res = api_sql_query($sql,__FILE__,__LINE__);
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$row = Database::fetch_array($res);
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$num = $row[0];
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return $num;
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}
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/**
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* Return the interactions as an array for the given lp_iv_id
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* @param integer Learnpath Item View ID
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* @return array
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*/
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function get_iv_interactions_array($lp_iv_id=0){
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$list = array();
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$table = Database::get_course_table('lp_iv_interaction');
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$sql = "SELECT * FROM $table WHERE lp_iv_id = $lp_iv_id ORDER BY order_id ASC";
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$res = api_sql_query($sql,__FILE__,__LINE__);
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$num = Database::num_rows($res);
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if($num>0){
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$list[] = array(
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"order_id"=>'Order',
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"id"=>'Interaction ID',
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"type"=>'Type',
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"time"=>'Time (finished at ...)',
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"correct_responses"=>'Correct responses',
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"student_response"=>'Student response',
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"result"=>'Result',
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"latency"=>'Latency (time spent)');
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while ($row = Database::fetch_array($res)){
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$list[] = array(
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"order_id"=>($row['order_id']+1),
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"id"=>urldecode($row['interaction_id']),//urldecode because they often have %2F or stuff like that
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"type"=>$row['interaction_type'],
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"time"=>$row['completion_time'],
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//"correct_responses"=>$row['correct_responses'],
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//hide correct responses from students
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"correct_responses"=>'',
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"student_response"=>$row['student_response'],
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"result"=>$row['result'],
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"latency"=>$row['latency']);
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}
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}
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return $list;
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}
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/**
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* Script
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*/
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//require_once('learnpath.class.php');
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//require_once('scorm.class.php');
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require_once('resourcelinker.inc.php');
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if(isset($_SESSION['lpobject'])){
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$temp = $_SESSION['lpobject'];
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$_SESSION['oLP'] = unserialize($temp);
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}
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if(is_object($_SESSION['oLP'])){
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$charset_lang = $_SESSION['oLP']->encoding;
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}else{
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$charset_lang = 'ISO-8859-1';
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}
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$dokeos_charset = 'ISO-8859-1';
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$charset = $charset_lang;
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$w=$tablewidth-20;
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$htmlHeadXtra[] = '' .
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'<style type="text/css" media="screen, projection">
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/*<![CDATA[*/
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@import "../css/default/scorm.css";
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/*]]>*/
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</style>';
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include_once('../inc/reduced_header.inc.php');
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echo '<body>';
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//if display in fullscreen required
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if (strcmp($_GET["fs"],"true")==0)
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{ $output .= "<table align='center'>"; }
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else
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{ $output .= "<table class='margin_table'>"; }
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//check if the user asked for the "extend all" option
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$extend_all_link = '';
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$extend_all = 0;
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if(!empty($_GET['extend_all'])){
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$extend_all_link = '<a href="lp_controller.php?action=stats"><img src="../img/visible.gif" alt="fold_view" border="0"></a>';
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$extend_all = 1;
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}else{
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$extend_all_link = '<a href="lp_controller.php?action=stats&extend_all=1"><img src="../img/invisible.gif" alt="extend_view" border="0"></a>';
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}
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$output .="<tr><td><div class='title'>".htmlentities(get_lang('ScormMystatus'),ENT_QUOTES,$dokeos_charset)."</div></td></tr>"
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."<tr><td> </td></tr>"
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."<tr><td>"
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."<table border='0' class='data_table'><tr>\n"
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.'<td width="16">'.$extend_all_link.'</td>'
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.'<td colspan="4" class="title"><div class="mystatusfirstrow">'.htmlentities(get_lang('ScormLessonTitle'),ENT_QUOTES,$dokeos_charset)."</div></td>\n"
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.'<td colspan="2" class="title"><div class="mystatusfirstrow">'.htmlentities(get_lang('ScormStatus'),ENT_QUOTES,$dokeos_charset)."</div></td>\n"
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.'<td colspan="2" class="title"><div class="mystatusfirstrow">'.htmlentities(get_lang('ScormScore'),ENT_QUOTES,$dokeos_charset)."</div></td>\n"
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.'<td colspan="2" class="title"><div class="mystatusfirstrow">'.htmlentities(get_lang('ScormTime'),ENT_QUOTES,$dokeos_charset)."</div></td></tr>\n";
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//going through the items using the $items[] array instead of the database order ensures
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// we get them in the same order as in the imsmanifest file, which is rather random when using
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// the database table
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$TBL_LP_ITEM = Database::get_course_table('lp_item');
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$TBL_LP_ITEM_VIEW = Database::get_course_table('lp_item_view');
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$TBL_LP_VIEW = Database::get_course_table('lp_view');
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$lp_id = $_SESSION['oLP']->get_id();
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$list = $_SESSION['oLP']->get_flat_ordered_items_list($lp_id);
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$sql = "SELECT max(view_count) FROM $TBL_LP_VIEW WHERE lp_id = $lp_id AND user_id = '".$_user['user_id']."'";
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$res = api_sql_query($sql,__FILE__,__LINE__);
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$view = '';
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if(Database::num_rows($res)>0){
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$myrow = Database::fetch_array($res);
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$view = $myrow[0];
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}
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$counter = 0;
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//error_log('New LP - Querying views for latest attempt: '.$sql,0);
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$total_score=0;
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$total_max_score=0;
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$total_time=0;
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$h = get_lang('h');
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foreach($list as $my_item_id){
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$extend_this = 0;
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$qry_order = 'DESC';
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if((!empty($_GET['extend_id']) and $_GET['extend_id'] == $my_item_id) OR $extend_all){
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$extend_this = 1;
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$qry_order = 'ASC';
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}
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if(!empty($view)){
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$sql="SELECT iv.status as mystatus, v.view_count as mycount, iv.score as myscore, iv.total_time as mytime, i.id as myid, i.title as mytitle, i.max_score as mymaxscore, iv.view_count as iv_view_count, iv.id as iv_id " .
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" FROM $TBL_LP_ITEM as i, $TBL_LP_ITEM_VIEW as iv, $TBL_LP_VIEW as v " .
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" WHERE i.id = iv.lp_item_id " .
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" AND i.id = $my_item_id " .
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" AND iv.lp_view_id = v.id " .
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" AND i.lp_id = $lp_id " .
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" AND v.user_id = ".$_user['user_id']."".
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" AND v.view_count = $view ".
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" ORDER BY iv.view_count $qry_order ";
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}else{
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$sql="SELECT iv.status as mystatus, v.view_count as mycount, iv.score as myscore, iv.total_time as mytime, i.id as myid, i.title as mytitle, i.max_score as mymaxscore, iv.view_count as iv_view_count, iv.id as iv_id " .
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" FROM $TBL_LP_ITEM as i, $TBL_LP_ITEM_VIEW as iv, $TBL_LP_VIEW as v " .
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" WHERE i.id = iv.lp_item_id " .
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" AND i.id = $my_item_id " .
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" AND iv.lp_view_id = v.id " .
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" AND i.lp_id = $lp_id " .
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" AND v.user_id = ".$_user['user_id']." ".
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" ORDER BY iv.view_count $qry_order ";
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}
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$result = api_sql_query($sql,__FILE__,__LINE__);
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$num = Database::num_rows($result);
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$time_for_total = 'NaN';
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if(($extend_this OR $extend_all) && $num>0){
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$row = Database::fetch_array($result);
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//if there are several attempts, and the link to extend has been clicked...
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if (($counter % 2)==0) { $oddclass="row_odd"; } else { $oddclass="row_even"; }
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if($inter_num)
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$extend_link = '<a href="lp_controller.php?action=stats&fold_id='.$my_item_id.'"><img src="../img/visible.gif" alt="fold_view" border="0"></a>'."\n";
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$title=$row['mytitle'];
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$title=stripslashes($title);
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if(empty($title)){
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$title = rl_get_resource_name(api_get_course_id(),$lp_id,$row['myid']);
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}
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$output .= "<tr class='$oddclass'>\n"
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."<td>$extend_link</td>\n"
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.'<td colspan="4" class="content"><div class="mystatus">'.$title."</div></td>\n"
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.'<td colspan="2" class="content"></td>'."\n"
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.'<td colspan="2" class="content"></td>'."\n"
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.'<td colspan="2" class="content"></td>'."\n"
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."</tr>\n";
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$counter ++;
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do{
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//check if there are interactions below
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$extend_attempt_link = '';
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$extend_this_attempt = 0;
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if(get_interactions_count_from_db($row['iv_id'])>0 && !$extend_all){
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if(!empty($_GET['extend_attempt_id']) && $_GET['extend_attempt_id'] == $row['iv_id'] ){
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//the extend button for this attempt has been clicked
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$extend_this_attempt = 1;
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$extend_attempt_link = '<a href="lp_controller.php?action=stats&extend_id='.$my_item_id.'&fold_attempt_id='.$row['iv_id'].'"><img src="../img/visible.gif" alt="fold_attempt_view" border="0"></a>'."\n";
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}else{ //same case if fold_attempt_id is set, so not implemented explicitly
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//the extend button for this attempt has not been clicked
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$extend_attempt_link = '<a href="lp_controller.php?action=stats&extend_id='.$my_item_id.'&extend_attempt_id='.$row['iv_id'].'"><img src="../img/invisible.gif" alt="extend_attempt_view" border="0"></a>'."\n";
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}
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}
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if (($counter % 2)==0) { $oddclass="row_odd"; } else { $oddclass="row_even"; }
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$lesson_status=$row['mystatus'];
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$score=$row['myscore'];
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$time_for_total = $row['mytime'];
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$time=learnpathItem::get_scorm_time('php',$row['mytime']);
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$scoIdentifier=$row['myid'];
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if($score==0){
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$maxscore = 0;
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}else{
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$maxscore = $row['mymaxscore'];
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}
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//Remove "NaN" if any (@todo: locate the source of these NaN)
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$time = str_replace('NaN','00'.$h.'00\'00"',$time);
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if (($lesson_status=='completed') or ($lesson_status=='passed')) { $color='green'; } else { $color='black'; }
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$mylanglist = array(
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'completed' => 'ScormCompstatus',
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'incomplete'=> 'ScormIncomplete',
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'failed' => 'ScormFailed',
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'passed' => 'ScormPassed',
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'browsed' => 'ScormBrowsed',
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'not attempted' => 'ScormNotAttempted',
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);
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$my_lesson_status = htmlentities(get_lang($mylanglist[$lesson_status]),ENT_QUOTES,$dokeos_charset);
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//$my_lesson_status = get_lang($mylanglist[$lesson_status]);
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$output .= "<tr class='$oddclass'>\n"
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."<td></td>\n"
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."<td>$extend_attempt_link</td>\n"
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.'<td colspan="3">Attempt '.$row['iv_view_count']."</td>\n"
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//."<td><font color='$color'><div class='mystatus'>".htmlentities($array_status[$lesson_status],ENT_QUOTES,$charset_lang)."</div></font></td>\n"
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.'<td colspan="2"><font color="'.$color.'"><div class="mystatus">'.$my_lesson_status."</div></font></td>\n"
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.'<td colspan="2"><div class="mystatus" align="center">'.($score==0?'-':$score.'/'.$maxscore)."</div></td>\n"
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.'<td colspan="2"><div class="mystatus">'.$time."</div></td>\n"
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."</tr>\n";
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$counter ++;
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if($extend_this_attempt OR $extend_all){
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$list = get_iv_interactions_array($row['iv_id']);
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foreach($list as $id=>$interaction)
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{
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if (($counter % 2)==0) { $oddclass="row_odd"; } else { $oddclass="row_even"; }
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$output .= "<tr class='$oddclass'>\n"
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.'<td></td>'."\n"
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.'<td></td>'."\n"
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.'<td> </td>'."\n"
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.'<td>'.$interaction['order_id'].'</td>'."\n"
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.'<td>'.$interaction['id'].'</td>'."\n"
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//."<td><font color='$color'><div class='mystatus'>".htmlentities($array_status[$lesson_status],ENT_QUOTES,$charset_lang)."</div></font></td>\n"
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.'<td colspan="2">'.$interaction['type']."</td>\n"
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//.'<td>'.$interaction['correct_responses']."</td>\n"
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.'<td>'.$interaction['student_response']."</td>\n"
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.'<td>'.$interaction['result']."</td>\n"
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.'<td>'.$interaction['latency']."</td>\n"
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.'<td>'.$interaction['time']."</td>\n"
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."</tr>\n";
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$counter ++;
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}
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}
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}while($row = Database::fetch_array($result));
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}else{
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$row = Database::fetch_array($result);
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//check if there are interactions below
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$extend_attempt_link = '';
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$extend_this_attempt = 0;
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$inter_num = get_interactions_count_from_db($row['iv_id']);
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if($inter_num>0 && !$extend_all){
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if(!empty($_GET['extend_attempt_id']) && $_GET['extend_attempt_id'] == $row['iv_id'] ){
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//the extend button for this attempt has been clicked
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$extend_this_attempt = 1;
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$extend_attempt_link = '<a href="lp_controller.php?action=stats&extend_id='.$my_item_id.'&fold_attempt_id='.$row['iv_id'].'"><img src="../img/visible.gif" alt="fold_attempt_view" border="0"></a>'."\n";
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}else{ //same case if fold_attempt_id is set, so not implemented explicitly
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//the extend button for this attempt has not been clicked
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$extend_attempt_link = '<a href="lp_controller.php?action=stats&extend_id='.$my_item_id.'&extend_attempt_id='.$row['iv_id'].'"><img src="../img/invisible.gif" alt="extend_attempt_view" border="0"></a>'."\n";
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}
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}
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if (($counter % 2)==0) { $oddclass="row_odd"; } else { $oddclass="row_even"; }
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//$extend_link = '<img src="../img/invisible.gif" alt="extend_disabled">';
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$extend_link = '';
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if($inter_num>1){
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$extend_link = '<a href="lp_controller.php?action=stats&extend_id='.$my_item_id.'&extend_attempt_id='.$row['iv_id'].'"><img src="../img/invisible.gif" alt="extend_view" border="0"></a>';
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}
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if (($counter % 2)==0) { $oddclass="row_odd"; } else { $oddclass="row_even"; }
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$lesson_status=$row['mystatus'];
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$score=$row['myscore'];
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$subtotal_time = $row['mytime'];
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//if($row['mytime']==0){
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while($tmp_row = Database::fetch_array($result)){
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$subtotal_time += $tmp_row['mytime'];
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}
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//}
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$time_for_total = $subtotal_time;
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$time=learnpathItem::get_scorm_time('php',$subtotal_time);
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$scoIdentifier=$row['myid'];
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$title=$row['mytitle'];
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$title=stripslashes($title);
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if($score==0){
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$maxscore = 0;
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}else{
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$maxscore = $row['mymaxscore'];
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}
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if(empty($title)){
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$title = rl_get_resource_name(api_get_course_id(),$lp_id,$row['myid']);
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}
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//Remove "NaN" if any (@todo: locate the source of these NaN)
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$time = str_replace('NaN','00'.$h.'00\'00"',$time);
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if (($lesson_status=='completed') or ($lesson_status=='passed')) { $color='green'; } else { $color='black'; }
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$mylanglist = array(
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'completed' => 'ScormCompstatus',
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'incomplete'=> 'ScormIncomplete',
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'failed' => 'ScormFailed',
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'passed' => 'ScormPassed',
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'browsed' => 'ScormBrowsed',
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'not attempted' => 'ScormNotAttempted',
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);
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$my_lesson_status = htmlentities(get_lang($mylanglist[$lesson_status]),ENT_QUOTES,$dokeos_charset);
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$output .= "<tr class='$oddclass'>\n"
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."<td>$extend_link</td>\n"
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.'<td colspan="4"><div class="mystatus">'.$title.'</div></td>'."\n"
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//."<td><font color='$color'><div class='mystatus'>".htmlentities($array_status[$lesson_status],ENT_QUOTES,$charset_lang)."</div></font></td>\n"
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.'<td colspan="2"><font color="'.$color.'"><div class="mystatus">'.$my_lesson_status."</div></font></td>\n"
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.'<td colspan="2"><div class="mystatus" align="center">'.($score==0?'-':$score.'/'.$maxscore)."</div></td>\n"
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.'<td colspan="2"><div class="mystatus">'.$time."</div></td>\n"
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."</tr>\n";
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$counter ++;
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if($extend_this_attempt OR $extend_all){
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$list = get_iv_interactions_array($row['iv_id']);
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foreach($list as $id=>$interaction)
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{
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if (($counter % 2)==0) { $oddclass="row_odd"; } else { $oddclass="row_even"; }
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$output .= "<tr class='$oddclass'>\n"
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.'<td></td>'."\n"
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.'<td></td>'."\n"
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.'<td> </td>'."\n"
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.'<td>'.$interaction['order_id'].'</td>'."\n"
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.'<td>'.$interaction['id'].'</td>'."\n"
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//."<td><font color='$color'><div class='mystatus'>".htmlentities($array_status[$lesson_status],ENT_QUOTES,$charset_lang)."</div></font></td>\n"
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.'<td colspan="2">'.$interaction['type']."</td>\n"
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//.'<td>'.$interaction['correct_responses']."</td>\n"
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.'<td>'.$interaction['student_response']."</td>\n"
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.'<td>'.$interaction['result']."</td>\n"
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.'<td>'.$interaction['latency']."</td>\n"
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.'<td>'.$interaction['time']."</td>\n"
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."</tr>\n";
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$counter ++;
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}
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}
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}
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//only sum up the latest attempt each time
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$total_max_score += $maxscore;
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$total_score += $score;
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$total_time += $time_for_total;
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}
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$total_time = learnpathItem::get_scorm_time('php',$total_time);
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//$total_time = str_replace('NaN','00:00:00',$total_time);
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$total_time = str_replace('NaN','00'.$h.'00\'00"',$total_time);
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if($total_max_score==0){$total_max_score=1;}
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$total_percent = number_format((((float)$total_score/(float)$total_max_score)*100),1,'.','');
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if (($counter % 2)==0) { $oddclass="row_odd"; } else { $oddclass="row_even"; }
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$output .= "<tr class='$oddclass'>\n"
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."<td></td>\n"
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.'<td colspan="4"><div class="mystatus"><i>'.htmlentities(get_lang('AccomplishedStepsTotal'),ENT_QUOTES,$dokeos_charset)."</i></div></td>\n"
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//."<td><font color='$color'><div class='mystatus'>".htmlentities($array_status[$lesson_status],ENT_QUOTES,$charset_lang)."</div></font></td>\n"
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.'<td colspan="2"></td>'."\n"
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.'<td colspan="2"><div class="mystatus" align="center">'.($total_score==0?'-':$total_percent.'%')."</div></td>\n"
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.'<td colspan="2"><div class="mystatus">'.$total_time.'</div></td>'."\n"
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."</tr>\n";
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$output .= "</table></td></tr></table>";
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$output .= "</body></html>";
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echo $output;
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?>
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