แก้ไขยังไงครับ บนเซิฟเวอร์มันฟ้องแบบนี้ ได้แนบโค้ดตัวอย่างไว้ครับ

<?php

	ini_set('display_errors', 1);
	error_reporting(~0);

   $serverName = "xxxxxxxxxxxxxx";
   $userName = "xxxxxxxxxxxxxxxxx";
   $userPassword = "xxxxxxxxxxxxxxxxxx";
   $dbName = "xxxxxxxxxxx";
  
	$conn = mysqli_connect($serverName,$userName,$userPassword,$dbName);

	if (mysqli_connect_errno())
	{
		echo "Database Connect Failed : " . mysqli_connect_error();
	}
	else
	{
		echo "Database Connected.";
	}

	mysqli_close($conn);
?>

 include "connect_db.php";
            $i = "select * from buyer_information";
            $h = mysql_query($i) or die(mysql_error());;
            while($tr=mysql_fetch_array($h))
            {
        ?>
                                            <tr>
                                                <td>
                                                    <?php echo $tr[0]; ?>
                                                </td>
                                                <td>
                                                    <?php echo $tr[1]; ?>
                                                </td>
                                                <td>
                                                    <?php echo $tr[2]; ?>
                                                </td>
                                                <td>
                                                    <?php echo $tr[3]; ?>
                                                </td>
                                                <td>
                                                    <?php echo $tr[4]; ?>
                                                </td>                                                 
                                               <td align="center"><a class="btn btn-mini btn-danger" href="#? txtid=<?php echo $tr[0];?>">Delete</a> <a class="btn btn-mini btn-info" href="#? txtid=<?php echo $tr[0];?>">Edit</a> </td>
                                            </tr>
                                            <?php
            }
        ?>