ทำเว็บบอร์ด ถ้าสมาชิกมาโพสจะเป็นชื่อสมาชิก ขอตั้งกระทู้ใหม่นะคะ เนื่องจากของเก่าแก้เออเรอร์ได้แล้ว

<?php
<? session_start();
if(empty($_SESSION["username"]))
$user = "Guest"; 
else 
$user = $_SESSION["username"]; 
?> 
?>

<?php
<?
include "connectdb.php";
include "function.php";

$id_ques=$_GET[id_ques];

$sql="SELECT * FROM tb_question WHERE id_ques='$id_ques'";
$result=mysql_query($sql);
$record=mysql_fetch_array($result);
$id_ques=$record[id_ques];
$title_ques=$record[title_ques];
$detail_ques=$record[detail_ques];
$name_ques=$record[name_ques];
$email_ques=$record[email_ques];
$date_ques=$record[date_ques];

$title_ques=htmlspecialchars($title_ques);
$detail_ques=wordwrap(nl2br(htmlspecialchars($detail_ques)),40,"\n",true);
$name_ques=htmlspecialchars($name_ques);
$email_ques=htmlspecialchars($email_ques);
$date_ques=displaydate($date_ques);

echo"
 <table width='480' border='1' align='center' cellpadding='0' cellspacing='0' bordercolor='#dadada' style='border-style:dotted'>
    <tr >
      <td width='480'  bgcolor='#90ccff' class='style16'><table width='480' cellspacing='0' bordercolor='#FFFFFF'>
          <tr>
            <td width='480' bgcolor='#f2f2f2' class='style16'><h3>$title_ques</h3></td>
          </tr>
          
             <tr>
            <td bgcolor='#f2f2f2' width='480' class='style16'>$detail_ques</td>
          </tr>
          
          <tr>
            <td background='images/navbar.gif' width='480' class='style14'><b class='style16'>By : </b> $name_ques  <b class='red'>[$user]</b> <<<<ตรงนี้ที่จะให้วงเล็บว่า เป็นชื่อสมาชิกหรือ guest ตั้งกระทู้
			<b class='style16'>Email :  </b>$email_ques   
			<b class='style16'>Date :   </b>$date_ques    
		
		</td>
          </tr>
      </table></td>
    </tr>
  </table><br>";
  
  //ส่วน2
  
  $sql="SELECT * FROM tb_answer WHERE ref_id='$id_ques' order by id_ans";
  $result=mysql_query($sql);
  while($record=mysql_fetch_array($result))  {
  	$id_ans=$record[id_ans];
	$detail_ans=$record[detail_ans];
	$name_ans=$record[name_ans];
	$email_ans=$record[email_ans];
	$date_ans=$record[date_ans];
	$ref_id=$record[ref_id];
	
	$detail_ans=wordwrap(nl2br(htmlspecialchars($detail_ans)),40,"\n",true);
	$name_ans=htmlspecialchars($name_ans);
	$email_ans=htmlspecialchars($email_ans);
	$date_ans=displaydate($date_ans);
	
	echo"
 <table width='480' border='1' align='center' cellpadding='0' cellspacing='0' bordercolor='#dadada' style='border-style:dotted'>
    <tr >
      <td width='480'  class='style16'><table width='480' cellspacing='0' bordercolor='#FFFFFF'>
         
          
             <tr>
            <td bgcolor='#ffffff' width='480'  class='style16'>$detail_ans</td>
          </tr>
          
          <tr>
            <td background='images/bg_menu.gif' class='style14' width='480'><b class='style16'>By :</b> $name_ans <b class='red'>[$user] </b> <<<<ตรงนี้ที่จะให้วงเล็บว่า เป็นชื่อสมาชิกหรือ guest โพสคำตอบ
			<b class='style16'>Email :</b> $email_ans
			<b class='style16'>Date : </b> $date_ans
			
			</td>
          </tr>
      </table></td>
    </tr>
  </table><br>";
  }
  mysql_close();
  
  
  
?>
?>