chamilo-lms/main/tracking/courseLog.php

<?php //$id: $
/* For licensing terms, see /dokeos_license.txt */
/**
==============================================================================
*	@author Thomas Depraetere
*	@author Hugues Peeters
*	@author Christophe Gesche
*	@author Sebastien Piraux
*	@author Toon Keppens (Vi-Host.net)
*
*	@package dokeos.tracking
==============================================================================
*/
/**
 *	INIT SECTION
 */
$pathopen = isset($_REQUEST['pathopen']) ? $_REQUEST['pathopen'] : null;

// name of the language file that needs to be included 
$language_file[] = 'admin';
$language_file[] = 'tracking';
$language_file[] = 'scorm';

require '../inc/global.inc.php';
$is_allowedToTrack = $is_courseAdmin || $is_platformAdmin || $is_courseCoach || $is_sessionAdmin;

if (!$is_allowedToTrack) {
	Display :: display_header(null);
	api_not_allowed();
	Display :: display_footer();
}
//includes for SCORM and LP
require_once '../newscorm/learnpath.class.php';
require_once '../newscorm/learnpathItem.class.php';
require_once '../newscorm/learnpathList.class.php';
require_once '../newscorm/scorm.class.php';
require_once '../newscorm/scormItem.class.php';
require_once api_get_path(LIBRARY_PATH).'tracking.lib.php';
require_once api_get_path(LIBRARY_PATH).'course.lib.php';
require_once api_get_path(LIBRARY_PATH).'usermanager.lib.php';
require_once api_get_path(LIBRARY_PATH).'export.lib.inc.php';
require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';

$export_csv = isset($_GET['export']) && $_GET['export'] == 'csv' ? true : false;
if ($export_csv) {
	ob_start();
}
$csv_content = array();

// charset determination
if (!empty($_GET['scormcontopen'])) {
    $tbl_lp = Database::get_course_table('lp');
    $contopen = (int) $_GET['scormcontopen'];
    $sql = "SELECT default_encoding FROM $tbl_lp WHERE id = ".$contopen;
    $res = api_sql_query($sql,__FILE__,__LINE__);
    $row = Database::fetch_array($res);
    $lp_charset = $row['default_encoding'];
}

$htmlHeadXtra[] = "<style type='text/css'>
/*<![CDATA[*/
.secLine {background-color : #E6E6E6;}
.content {padding-left : 15px;padding-right : 15px; }
.specialLink{color : #0000FF;}
/*]]>*/
</style>
<style media='print' type='text/css'>

</style>";

/*
-----------------------------------------------------------
	Constants and variables
-----------------------------------------------------------
*/
// regroup table names for maintenance purpose
$TABLETRACK_ACCESS      = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LASTACCESS);
$TABLETRACK_LINKS       = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LINKS);
$TABLETRACK_DOWNLOADS   = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
$TABLETRACK_ACCESS_2    = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS);
$TABLETRACK_EXERCISES 	= Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$TABLECOURSUSER	        = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$TABLECOURSE	        = Database::get_main_table(TABLE_MAIN_COURSE);
$TABLECOURSE_LINKS      = Database::get_course_table(TABLE_LINK);
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$TABLEQUIZ = Database :: get_course_table(TABLE_QUIZ_TEST);

//$table_scormdata = Database::get_scorm_table(TABLE_SCORM_SCO_DATA);
//$table_scormmain = Database::get_scorm_table(TABLE_SCORM_MAIN);
//$tbl_learnpath_main = Database::get_course_table(TABLE_LEARNPATH_MAIN);
//$tbl_learnpath_item = Database::get_course_table(TABLE_LEARNPATH_ITEM);
//$tbl_learnpath_chapter = Database::get_course_table(TABLE_LEARNPATH_CHAPTER);

$tbl_learnpath_main = Database::get_course_table(TABLE_LP_MAIN);
$tbl_learnpath_item = Database::get_course_table(TABLE_LP_ITEM);
$tbl_learnpath_view = Database::get_course_table(TABLE_LP_VIEW);
$tbl_learnpath_item_view = Database::get_course_table(TABLE_LP_ITEM_VIEW);

if (isset($_GET['origin']) && $_GET['origin']=='resume_session') {
    $interbreadcrumb[]=array('url' => '../admin/index.php','name' => get_lang('PlatformAdmin'));
    $interbreadcrumb[]=array('url' => '../admin/session_list.php','name' => get_lang('SessionList'));
    $interbreadcrumb[]=array('url' => '../admin/resume_session.php?id_session='.$_SESSION['id_session'],'name' => get_lang('SessionOverview'));
}

$view = (isset($_REQUEST['view'])?$_REQUEST['view']:'');

$nameTools = get_lang('Tracking');

Display::display_header($nameTools, 'Tracking');

require api_get_path(LIBRARY_PATH).'statsUtils.lib.inc.php';
require '../resourcelinker/resourcelinker.inc.php';

$a_students = CourseManager :: get_student_list_from_course_code($_course['id'], true, (empty($_SESSION['id_session'])?null:$_SESSION['id_session']));
$nbStudents = count($a_students);

/**
 * count the number of students in this course (used for SortableTable)
 */
function count_student_in_course() {
	global $nbStudents;
	return $nbStudents;
}



function sort_users($a,$b) {
	$a = trim(api_strtolower($a[$_SESSION['tracking_column']]));
	$b = trim(api_strtolower($b[$_SESSION['tracking_column']]));
	if ($_SESSION['tracking_direction'] == 'DESC') {
		return strcmp($b, $a);
    } else {
		return strcmp($a, $b);
    }
}

/*
==============================================================================
		MAIN CODE
==============================================================================
*/

echo '<div class="actions">';
if ($_GET['studentlist'] == 'false') {
	echo '<a href="courseLog.php?'.api_get_cidreq().'&studentlist=true">'.get_lang('StudentsTracking').'</a>&nbsp;|&nbsp;'.get_lang('CourseTracking');
} else {
	echo get_lang('StudentsTracking').' | <a href="courseLog.php?'.api_get_cidreq().'&studentlist=false">'.get_lang('CourseTracking').'</a>';
}
echo '&nbsp;<a href="#" onclick="window.print()"><img align="absbottom" src="../img/printmgr.gif">&nbsp;'.get_lang('Print').'</a>';
if($_GET['studentlist'] == 'false') {	
	echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&export=csv&studentlist=false"><img align="absbottom" src="../img/excel.gif">&nbsp;'.get_lang('ExportAsCSV').'</a>';
} else {
	echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&export=csv"><img align="absbottom" src="../img/excel.gif">&nbsp;'.get_lang('ExportAsCSV').'</a>';
}
echo '</div>';


if($_GET['studentlist'] == 'false') {
	echo'<br /><br />';
	
	
	/***************************
	 * LEARNING PATHS
	 ***************************/
	 
	 echo '<div class="admin_section">
				<h4>
					<img src="../img/scormbuilder.gif" align="absbottom">&nbsp;'.get_lang('AverageProgressInLearnpath').'
				</h4>
			<table class="data_table">';
			
	$list = new LearnpathList($student);
	$flat_list = $list->get_flat_list();
	
	if ($export_csv) {
    	$temp=array(get_lang('AverageProgressInLearnpath'),'');
    	$csv_content[] = array('','');
    	$csv_content[] = $temp;
    }
	
	if (count($flat_list)>0)	{
		foreach ($flat_list as $lp_id => $lp) {
			$lp_avg_progress = 0;
			foreach ($a_students as $student_id => $student) {
				
				// get the progress in learning pathes	
				$lp_avg_progress += learnpath::get_db_progress($lp_id,$student_id);
				
				
			}
			if($nbStudents > 0) {
				$lp_avg_progress = $lp_avg_progress / $nbStudents;
			}
			echo '<tr><td>'.$lp['lp_name'].'</td><td align="right">'.round($lp_avg_progress,1).' %</td></tr>';
			if($export_csv) {
				$temp=array($lp['lp_name'],$lp_avg_progress);
				$csv_content[] = $temp;
			}
		}
	} else {
		echo '<tr><td>'.get_lang('NoLearningPath').'</td></tr>';
		if ($export_csv) {
    		$temp=array(get_lang('NoLearningPath'),'');
			$csv_content[] = $temp;
    	}
	}
	echo '</table></div>';
	echo '<div class="clear"></div>';
	/***************************
	 * EXERCICES
	 ***************************/
	 echo '<div class="admin_section">
				<h4>
					<img src="../img/quiz.gif" align="absbottom">&nbsp;'.get_lang('AverageResultsToTheExercices').' &nbsp;-&nbsp;<a href="../exercice/exercice.php?'.api_get_cidreq().'&show=result">'.get_lang('SeeDetail').'</a>
				</h4>
			<table class="data_table">';
			
	$sql = "SELECT id, title
			FROM $TABLEQUIZ WHERE active <> -1";
	$rs = api_sql_query($sql, __FILE__, __LINE__);
	
	if ($export_csv) {
    	$temp=array(get_lang('AverageProgressInLearnpath'),'');
    	$csv_content[] = array('','');
    	$csv_content[] = $temp;
    }
	
	if (Database::num_rows($rs)>0) {
		// gets course actual administrators 
		$sql = "SELECT user.user_id FROM $table_user user, $TABLECOURSUSER course_user
		  WHERE course_user.user_id=user.user_id AND course_user.course_code='".api_get_course_id()."' AND course_user.status <> '1' ";
		$res = api_sql_query($sql,__FILE__,__LINE__);
		
		$student_ids = array();
				
		while($row = Database::fetch_row($res)) {
			$student_ids[] = $row[0];
		}
		$count_students = count($student_ids);
		while($quiz = Database::fetch_array($rs)) {
			$quiz_avg_score = 0;
						
			if($count_students > 0) {
				
				foreach($student_ids as $student_id) {
				
					// get the scorn in exercises	
					$sql = 'SELECT exe_result , exe_weighting
							FROM '.$TABLETRACK_EXERCISES.'
							WHERE exe_exo_id = '.$quiz['id'].'
							AND exe_user_id = '.(int)$student_id.'		
							AND exe_cours_id = "'.api_get_course_id().'"			
							AND orig_lp_id = 0
							AND orig_lp_item_id = 0		
							ORDER BY exe_date DESC';
					$rsAttempt = api_sql_query($sql, __FILE__, __LINE__);
					$nb_attempts = 0;										
					$avg_student_score = 0;
					while ($attempt = Database::fetch_array($rsAttempt)) {
						$nb_attempts++;
						$exe_weight=$attempt['exe_weighting'];						
						if ($exe_weight>0) {
							$avg_student_score += round(($attempt['exe_result']/$exe_weight*100),2);
						}
					}
					
					if ($nb_attempts>0) {
						$avg_student_score = $avg_student_score / $nb_attempts;
		            }
					$quiz_avg_score += $avg_student_score;										
				}								
					
			}
            
			echo '<tr><td>'.$quiz['title'].'</td><td align="right">'.round(($quiz_avg_score/$count_students),2).' %</td></tr>';
			if ($export_csv) {
				$temp=array($quiz['title'],$quiz_avg_score);
				$csv_content[] = $temp;
			}
		}
	} else {
		echo '<tr><td>'.get_lang('NoExercises').'</td></tr>';
		if($export_csv) {
    		$temp=array(get_lang('NoExercises'),'');
			$csv_content[] = $temp;
    	}
	}
	
	echo '</table></div>';
	echo '<div class="clear"></div>';
	
	/**********************
	 * FORUMS
	 **********************/
	 
	 echo '<div class="admin_section">
				<h4>
					<img src="../img/forum.gif" align="absbottom">&nbsp;'.get_lang('Forum').'&nbsp;-&nbsp;<a href="../forum/index.php?cidReq='.$_course['id'].'">'.get_lang('SeeDetail').'</a>
				</h4>
			<table class="data_table">';
	$count_number_of_posts_by_course = Tracking :: count_number_of_posts_by_course($_course['id']);
	$count_number_of_forums_by_course = Tracking :: count_number_of_forums_by_course($_course['id']);
	$count_number_of_threads_by_course = Tracking :: count_number_of_threads_by_course($_course['id']);		
	if ($export_csv) {    	    	
		$csv_content[] = array(get_lang('Forum'),'');
    	$csv_content[] = array(get_lang('ForumForumsNumber'),$count_number_of_forums_by_course);
    	$csv_content[] = array(get_lang('ForumThreadsNumber'),$count_number_of_threads_by_course);
    	$csv_content[] = array(get_lang('ForumPostsNumber'),$count_number_of_posts_by_course);    	
    }		
	echo '<tr><td>'.get_lang('ForumForumsNumber').'</td><td align="right">'.$count_number_of_forums_by_course.'</td></tr>';
	echo '<tr><td>'.get_lang('ForumThreadsNumber').'</td><td align="right">'.$count_number_of_threads_by_course.'</td></tr>'; 
	echo '<tr><td>'.get_lang('ForumPostsNumber').'</td><td align="right">'.$count_number_of_posts_by_course.'</td></tr>';  
	echo '</table></div>';
	echo '<div class="clear"></div>';
	
	/**********************
	 * CHAT
	 **********************/
	 
	 echo '<div class="admin_section">
				<h4>
					<img src="../img/chat.gif" align="absbottom">&nbsp;'.get_lang('Chat').'</a>
				</h4>
			<table class="data_table">';
	$chat_connections_during_last_x_days_by_course = Tracking :: chat_connections_during_last_x_days_by_course($_course['id'],7);	
	if ($export_csv) {
		$csv_content[] = array(get_lang('Chat'),'');    	    	
    	$csv_content[] = array(sprintf(get_lang('ChatConnectionsDuringLastXDays'),'7'),$chat_connections_during_last_x_days_by_course);    		
    }		
	echo '<tr><td>'.sprintf(get_lang('ChatConnectionsDuringLastXDays'),'7').'</td><td align="right">'.$chat_connections_during_last_x_days_by_course.'</td></tr>';
	  
	echo '</table></div>';
	echo '<div class="clear"></div>';
	
	
	/**********************
	 * TOOLS
	 **********************/
	echo '<div class="admin_section">
				<h4>
					<img src="../img/acces_tool.gif" align="absbottom">&nbsp;'.get_lang('ToolsMostUsed').'
				</h4>
			<table class="data_table">';
			 
	$sql = "SELECT access_tool, COUNT(DISTINCT access_user_id),count( access_tool ) as count_access_tool
            FROM $TABLETRACK_ACCESS
            WHERE access_tool IS NOT NULL
                AND access_cours_code = '$_cid'
            GROUP BY access_tool
			ORDER BY count_access_tool DESC
			LIMIT 0, 3";
	$rs = api_sql_query($sql, __FILE__, __LINE__);
	
	if ($export_csv) {
    	$temp=array(get_lang('ToolsMostUsed'),'');
    	$csv_content[] = $temp;
    }
	
	while ($row = Database::fetch_array($rs)) {
		echo '	<tr>
					<td>'.get_lang(ucfirst($row['access_tool'])).'</td>
					<td align="right">'.$row['count_access_tool'].' '.get_lang('Clicks').'</td>
				</tr>';
		if ($export_csv) {
			$temp=array(get_lang(ucfirst($row['access_tool'])),$row['count_access_tool'].' '.get_lang('Clicks'));
			$csv_content[] = $temp;
		}
	}
	
	echo '</table></div>';
	
	echo '<div class="clear"></div>';
	
	
	/***************************
	 * DOCUMENTS
	 ***************************/
	 
	 echo '<div class="admin_section">
				<h4>
					<img src="../img/documents.gif" align="absbottom">&nbsp;'.get_lang('DocumentsMostDownloaded').'
				</h4>
			<table class="data_table">';
			
	$sql = "SELECT down_doc_path, COUNT(DISTINCT down_user_id), COUNT(down_doc_path) as count_down
            FROM $TABLETRACK_DOWNLOADS
            WHERE down_cours_id = '$_cid'
            GROUP BY down_doc_path
			ORDER BY count_down DESC
			LIMIT 0, 3";
    $rs = api_sql_query($sql, __FILE__, __LINE__);
    
    if ($export_csv) {
    	$temp=array(get_lang('DocumentsMostDownloaded'),'');
    	$csv_content[] = array('','');
    	$csv_content[] = $temp;
    }
    
    if (Database::num_rows($rs)>0) {
	    while($row = Database::fetch_array($rs)) {
	    	echo '	<tr>
						<td>'.$row['down_doc_path'].'</td>
						<td align="right">'.$row['count_down'].' '.get_lang('Clicks').'</td>
					</tr>';
					
			if ($export_csv) {
				$temp=array($row['down_doc_path'],$row['count_down'].' '.get_lang('Clicks'));
				$csv_content[] = $temp;
			}
	    }
    } else {
    	echo '<tr><td>'.get_lang('NoDocumentDownloaded').'</td></tr>';
    	if ($export_csv) {
    		$temp=array(get_lang('NoDocumentDownloaded'),'');
			$csv_content[] = $temp;
    	}
    }
	echo '</table></div>';
	
	echo '<div class="clear"></div>';
	
	
	/***************************
	 * LINKS
	 ***************************/
	 
	 echo '<div class="admin_section">
				<h4>
					<img src="../img/link.gif" align="absbottom">&nbsp;'.get_lang('LinksMostClicked').'
				</h4>
			<table class="data_table">';
			
	$sql = "SELECT cl.title, cl.url,count(DISTINCT sl.links_user_id), count(cl.title) as count_visits
            FROM $TABLETRACK_LINKS AS sl, $TABLECOURSE_LINKS AS cl
            WHERE sl.links_link_id = cl.id
                AND sl.links_cours_id = '$_cid'
            GROUP BY cl.title, cl.url
			ORDER BY count_visits DESC
			LIMIT 0, 3";
    $rs = api_sql_query($sql, __FILE__, __LINE__);
    
    if ($export_csv) {
    	$temp=array(get_lang('LinksMostClicked'),'');
    	$csv_content[] = array('','');
    	$csv_content[] = $temp;
    }
    
    if (Database::num_rows($rs)>0) {
	    while ($row = Database::fetch_array($rs)) {
	    	echo '	<tr>
						<td>'.$row['title'].'</td>
						<td align="right">'.$row['count_visits'].' '.get_lang('Clicks').'</td>
					</tr>';
			if($export_csv){
				$temp=array($row['title'],$row['count_visits'].' '.get_lang('Clicks'));
				$csv_content[] = $temp;
			}
	    }
    } else {
    	echo '<tr><td>'.get_lang('NoLinkVisited').'</td></tr>';
    	if ($export_csv) {
    		$temp=array(get_lang('NoLinkVisited'),'');
			$csv_content[] = $temp;
    	}
    }
	echo '</table></div>';
	echo '<div class="clear"></div>';	
	
	// send the csv file if asked
	if ($export_csv) {
		ob_end_clean();
		Export :: export_table_csv($csv_content, 'reporting_course_tracking');
	}
} else {
// else display student list with all the informations
	
	// BEGIN : form to remind inactives susers
	$form = new FormValidator('reminder_form','get',api_get_path(REL_CODE_PATH).'announcements/announcements.php');
	
	$renderer = $form->defaultRenderer();
	$renderer->setElementTemplate('<span>{label} {element}</span>&nbsp;<button class="save" type="submit">'.get_lang('SendNotification').'</button>','since');
	
	$options = array(
				2 => '2 '.get_lang('Days'),
				3 => '3 '.get_lang('Days'),
				4 => '4 '.get_lang('Days'),
				5 => '5 '.get_lang('Days'),
				6 => '6 '.get_lang('Days'),
				7 => '7 '.get_lang('Days'),
				15 => '15 '.get_lang('Days'),
				30 => '30 '.get_lang('Days')
				);
	
	$el = $form -> addElement('select','since','<img width="22" align="middle" src="'.api_get_path(WEB_IMG_PATH).'messagebox_warning.gif" border="0" />'.get_lang('RemindInactivesLearnersSince'),$options);
	$el -> setSelected(7);
	
	$form -> addElement('hidden','action','add');
	$form -> addElement('hidden','remindallinactives','true');
	
	$form -> display();
	// END : form to remind inactives susers
	

	$tracking_column = isset($_GET['tracking_column']) ? $_GET['tracking_column'] : 0;
	$tracking_direction = isset($_GET['tracking_direction']) ? $_GET['tracking_direction'] : 'DESC';

	if (count($a_students)>0) {
		$table = new SortableTable('tracking', 'count_student_in_course');
		$table -> set_header(0, get_lang('OfficialCode'), false, 'align="center"');
		$table -> set_header(1, get_lang('LastName'), true, 'align="center"');
		$table -> set_header(2, get_lang('FirstName'), false, 'align="center"');
		$table -> set_header(3, get_lang('TrainingTime'),false);
		$table -> set_header(4, get_lang('CourseProgress'),false);
		$table -> set_header(5, get_lang('Score'),false);	
		$table -> set_header(6, get_lang('Student_publication'),false);
		$table -> set_header(7, get_lang('Messages'),false);
		$table -> set_header(8, get_lang('FirstLogin'), false, 'align="center"');
		$table -> set_header(9, get_lang('LatestLogin'), false, 'align="center"');
		$table -> set_header(10, get_lang('Details'),false);
	     
	    if ($export_csv) {
			$csv_content[] = array ();
		}
	    
	    $all_datas = array();
	    $course_code = $_course['id'];
		foreach ($a_students as $student_id => $student) {
			$student_datas = UserManager :: get_user_info_by_id($student_id);
			
			$avg_time_spent = $avg_student_score = $avg_student_progress = $total_assignments = $total_messages = 0 ;
			$nb_courses_student = 0;
			$avg_time_spent = Tracking :: get_time_spent_on_the_course($student_id, $course_code);			
			$avg_student_score = Tracking :: get_average_test_scorm_and_lp($student_id, $course_code);						
			$avg_student_progress = Tracking :: get_avg_student_progress($student_id, $course_code);
			$total_assignments = Tracking :: count_student_assignments($student_id, $course_code);
			$total_messages = Tracking :: count_student_messages($student_id, $course_code);
			
			$row = array();
			$row[] = $student_datas['official_code'];
			$row[] = $student_datas['lastname'];
			$row[] = 	$student_datas['firstname'];			
			$row[] = api_time_to_hms($avg_time_spent);	
			if (is_null($avg_student_score)) {$avg_student_score=0;}
			if (is_null($avg_student_progress)) {$avg_student_progress=0;}		
			$row[] = $avg_student_progress.' %';
			$row[] = $avg_student_score.' %';		
			$row[] = $total_assignments;
			$row[] = $total_messages;
			$row[] = Tracking :: get_first_connection_date_on_the_course($student_id, $course_code);
			$row[] = Tracking :: get_last_connection_date_on_the_course($student_id, $course_code);
			
			if ($export_csv) {
				$row[8] = strip_tags($row[8]);
				$csv_content[] = $row;
			}
			
			$row[] = '<center><a href="../mySpace/myStudents.php?student='.$student_id.'&details=true&course='.$course_code.'&origin=tracking_course"><img src="'.api_get_path(WEB_IMG_PATH).'2rightarrow.gif" border="0" /></a></center>';
			
			$all_datas[] = $row;		
	
		}
		
		usort($all_datas, 'sort_users');
		$page = $table->get_pager()->getCurrentPageID();
		$all_datas = array_slice($all_datas, ($page-1)*$table -> per_page, $table -> per_page);
		
		if ($export_csv) {
			usort($csv_content, 'sort_users');
		}
		
		foreach ($all_datas as $row) {
			$table -> addRow($row,'align="right"');	
		}
		$table -> setColAttributes(0,array('align'=>'left'));
		$table -> setColAttributes(1,array('align'=>'left'));
		$table -> setColAttributes(2,array('align'=>'left'));
		$table -> setColAttributes(7,array('align'=>'right'));
		$table -> setColAttributes(8,array('align'=>'center'));
		$table -> setColAttributes(9,array('align'=>'center'));
		$table -> display();
		
	} else {
		echo get_lang('NoUsersInCourseTracking');
	}
	
	// send the csv file if asked
	if ($export_csv) {
		
		$csv_content[] = array ( 
									get_lang('OfficialCode'),
									get_lang('LastName'),
									get_lang('FirstName'),
									get_lang('TrainingTime'),
									get_lang('CourseProgress'),
									get_lang('Score'),
									get_lang('Student_publication'),
									get_lang('Messages'),
									get_lang('FirstLogin'),
									get_lang('LatestLogin')
								   );
		ob_end_clean();
		Export :: export_table_csv($csv_content, 'reporting_student_list');
	}
	
}
?>
</table>
<?php
Display::display_footer();