ขอสอบถามข้อมูลเกี่ยวกับ MPDF หน่อยครับผม ช่วยหน่อยนะครับ

$html = '

$html = ' 

<p style="text-align:right;">

Number : '.$fetch["number"].'

</p>

';

<?php 
@session_start();

$html = '

<p style="text-align:right;">
Number : '.$fetch["number"].'
</p>
';

$coupon = "SELECT DISTINCT *
                            FROM product_dtl p
                            INNER JOIN tbl_due d ON d.f_id = p.c_code
                            WHERE customer_name ='".$_SESSION[reg][member_email]."' 
                            AND d.due_no ='".$_GET['due']."'
                            ";
             
                     $obb = connect_db($coupon);
                    $result = row($coupon);
                    while($rows = mysql_fetch_array($obb)) {$fetch= $rows;}
                    $recCount = num_row($coupon);
                    //print_r($CouponData[2]);exit;

$mpdf=new mPDF(); 

$mpdf->WriteHTML($html);
$mpdf->Output();
exit;

?>

<?
session_start(); 
ob_start();
		//Connect Database
   		include("connect.php");

   		//PDF CLASS
		include("path_MPDF/mpdf.php");
		$mpdf=new mPDF('UTF-8'); 
		
		//Create Table Head into PDF
		$html ='
			<hr />
			<p style="text-align:center;font-size: 18pt;font-weight: bold; text-decoration:underline;">ตารางรายชื่อสมาชิก</p>
			
			<table align="center" cellpadding="0" cellspacing="0" style="width: auto; font-size:14pt;" border="1">
			<tr>
				<th style="width:40px;">ลำดับ</th>
				<th style="width:200px;">ชื่อ - สกุล</th>
				<th style="width:100px;">ชื่อในระบบ</th>
				<th style="width:100px;">รหัสผ่าน</th>
				<th style="width:100px;">สถานะ</th>
				<th style="width:70px;">วันที่สมัคร</th>
			</tr>
			';
		$mpdf->SetAutoFont();
		$mpdf->WriteHTML($html);
		
		//PHP CODE
   		$SQL="select * from member_TB where m_Class <> 'Administrator' order by m_User;";
		$rs = mysql_query($SQL);
		$num=1;
		
		//Loop
		while($row = mysql_fetch_array($rs)){

				$m_Name=$row['m_Name']." ".$row['m_Last'];
				$m_User=$row['m_User'];
				$m_Pass=$row['m_Pass'];
				$m_Class=$row['m_Class'];
				$m_Date=$row['m_Date'];
				
				//Insert Data to Table 
				$html ='
					<tr>
						<td style="width:40px;" align="center">'.$num.'</td>
						<td style="width:200px;">'.$m_Name.'</td>
						<td style="width:100px;" align="center">'.$m_User.'</td>
						<td style="width:100px;" align="center">'.$m_Pass.'</td>
						<td style="width:100px;" align="center">'.$m_Class.'</td>
						<td style="width:70px;" align="center">'.$m_Date.'</td>
					</tr>
				';
				$mpdf->SetAutoFont();
				$mpdf->WriteHTML($html);

		$num++;
	}		
		
		//End Create Table
		$html ='</table>';
		$mpdf->SetAutoFont();
		$mpdf->WriteHTML($html);
		
		//Create PDF File 
		$mpdf->Output('Filename.pdf','D');
		exit;
?>

<?php 
@session_start();

$html = '

<p style="text-align:right;">
Number : '.$fetch["number"]'.
</p>
';

$html = '
<p style="text-align:right;">
Number : '.$fetch["number"].'
</p>
';