แปลงค่าตัวเลขในดาต้าเบส ให้แสดงเป็นตัวหนังสือยังไงค่ะ PHP

$a = $_REQUEST['id'];

if ($a==1){
echo "ทั่วไป";
}else if ($a==2) {
echo "เฉพาะทาง";
}

<?php
include ('connect.php');
$sql = "select * from question,section where question.em_id = '".$_SESSION['em_id']."' and question.q_section = section.s_id"; 
$rs = mysql_query($sql) or die(mysql_error());

while($row = mysql_fetch_array($rs)) {

$category = $row['q_category'];

if($category == 1){
echo "ทั่วไป";
}else if($category == 2){
echo "เฉพาะทาง";
}

echo "<tr >";
echo "<td align='center'> ". $row['s_name'] ." </td>";
echo "<td align='center'>".$row['q_category']."</td>";
echo "<td align='center'>".$row['q_quest']."</td>";
echo "<td align='center'>".$row['q_ans']."</td>";
echo "<td align='center'><a href='edit_part.php?p_id=$row[p_id]&l_id=$row[l_id]'><img src = 'image/pencil.png' width='30' height='30'></a></td>";
echo "</tr>";

}

?>

<?php
include ('connect.php');
$sql = "select * from question,section where question.em_id = '".$_SESSION['em_id']."' and question.q_section = section.s_id"; 
$rs = mysql_query($sql) or die(mysql_error());

while($row = mysql_fetch_array($rs)) {

$category = $row['q_category'];
$qname = "";
if($category == 1){
$qname = "ทั่วไป";
}else if($category == 2){
$qname = "เฉพาะทาง";
}

echo "<tr >";
echo "<td align='center'> ". $row['s_name'] ." </td>";
echo "<td align='center'>".$qname."</td>";
echo "<td align='center'>".$row['q_quest']."</td>";
echo "<td align='center'>".$row['q_ans']."</td>";
echo "<td align='center'><a href='edit_part.php?p_id=$row[p_id]&l_id=$row[l_id]'><img src = 'image/pencil.png' width='30' height='30'></a></td>";
echo "</tr>";

}

?>