not able to get the data and display on web using php - php

Question

$totDays = cal_days_in_month(CAL_GREGORIAN,$_REQUEST['month'],$_REQUEST['year']);
$attData = $commonObj->getAttendanceData($_REQUEST['month'],$_REQUEST['year']);
`
Student Name
<?php foreach($attData as $attk=>$attv){
$punchin = $commonObj->getTimeOfDate($attData[$attk]['punchin']);
$punchout = $commonObj->getTimeOfDate($attData[$attk]['punchout']);
$nam=$attv['name'];
?>
<tr>
<th class="danger">
<?php echo $nam;?>
</th>
<?php for($i=1;$i<=$totDays;$i++){?>
<?php if($commonObj->getDayOfDate($attData[$attk]['punch_time']) == $i){
echo "<td class='success' id='att_$i'>".$punchin.'-'.$punchout;?>
<table class="table table-responsive"style="display: none; position:relative;min-width:100px;max-width:200px; margin-top: -40px;" id="<?php echo "det_att_".$i;?>">
<tr>
<td>Time:</td>
<td><?php echo "p"?>
</td></tr>
<tr>
<td>UID:</td>
<td><?php echo $attData[$attk]['rfid_uid'];?></td>
</tr>
</table>
<?php
}else {echo "<td class='info'>#na";}?>
</td>
<?php }?>
</tr>
<?php }?>
</tr>
</table>`
this is the code for displaying on the web for viewing attendance ..
and here is the code for database part for getting attendance...
public function getAttendanceData($month,$year){
if(!is_numeric($month) || $month>12 || $month<1){
$this->setErrorMsg("Please Select valid month!");
header("location:viewAttendance.php");
exit;
}
$retData = array();
$fullDate = $year."-".$month;
//print_r($_SESSION);
if($_SESSION['user_type']==1){
$sql = "
SELECT t1.*
, t2.rfid_uid
, punch_time as punchin
, t2.name
FROM tbl_attendance as t1
right
join tbl_users as t2
on t1.rfid_uid = t2.rfid_uid
WHERE YEAR(punch_time) = $year
AND MONTH(punch_time) = $month
and t2.rfid_uid ='".$_SESSION['rfid_uid']."'
";
$retData = $this->getData($sql);
}else if($_SESSION['user_type'] == 2){
$sql = "SELECT t1.*,t2.rfid_uid,punch_time as punchin,t2.name FROM tbl_attendance as t1 right join tbl_users as t2 on t1.rfid_uid=t2.rfid_uid WHERE YEAR(punch_time) = $year AND MONTH(punch_time) = $month group by t2.rfid_uid";
$retData = $this->getData($sql);
}
return $retData;
}
web viewing imagedatabase table for attendanceuser
the attendance is recorded in the database but is not shown on the web..please help