ผมมีเรื่องอยากสอบถามครับ เกี่ยวกับสแกนบาร์โค้ด ออก report php ครับ

<?
	include "connect.php";
?>
<table border='1' bordercolor='#000000' style='border-collapse:collapse' width='680'>
							<tr>				
<td align='center'><font face='Angsana New' size='5' color='#000000'><b>รหัสผู้เข้าใช้บริการ</b></font></td>
<td align='center'><font face='Angsana New' size='5' color='#000000'><b>ชื่อ-นามสกุล</b></font></td>
<td align='center'><font face='Angsana New' size='5' color='#000000'><b>เข้าใช้ ณ.วัน/เดือน/ปี-เวลา </b></font></td>
</tr>
<?php
$sql_show = "SELECT * FROM check_in ";
$result_show = mysql_query($sql_show) or die(mysql_error());
while($row_show = mysql_fetch_array($result_show))
{
$title_id=$row_show["title_id"];
$user_id_card=$row_show["user_id_card"];
$datenow=$row_show["datenow"];
$test_in=$row_show["test_in"];
$user_fname=$row_show["user_fname"];
$user_lname=$row_show["user_lname"];  

$sql="select * from title where title_id='$title_id'";
$result=mysql_query($sql, $link);
$record=mysql_fetch_array($result);
$title_name=$record["title_name"];
?>
<tr>
<td align='center'><font face='Angsana New' size='5' color='#000000'><? echo $user_id_card?></font></td>
<td><div align="center">&nbsp;&nbsp;<font face='Angsana New' size='5' color='#000000'><? echo $title_name?>&nbsp;<? echo $user_fname?>&nbsp;<? echo $user_lname?></font></td>
<td align='center'><font face='Angsana New' size='5' color='#000000'><? echo $datenow?></font></td>
</tr>
<?php
}
?>
</table>