สอบถามว่า ต้องเขียน Code อย่างไร จึงจะนำข้อมูลจาก MySQL Database qrcodeoptiontag ตรง shortname มาใส่แทนที่ช่องกรอก Data ในระบบ phpqrcode ได้ครับ

-- phpMyAdmin SQL Dump
-- version 4.8.4
-- https://www.phpmyadmin.net/
--
-- Host: 127.0.0.1
-- Generation Time: Apr 02, 2021 at 09:05 AM
-- Server version: 10.1.37-MariaDB
-- PHP Version: 7.3.1

SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
SET AUTOCOMMIT = 0;
START TRANSACTION;
SET time_zone = "+00:00";


/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8mb4 */;

--
-- Database: `qrcodeoptiontag`
--

-- --------------------------------------------------------

--
-- Table structure for table `qrcodeoptiontag`
--

CREATE TABLE `qrcodeoptiontag` (
  `shortname` varchar(13) CHARACTER SET utf8 DEFAULT NULL,
  `longname` varchar(40) CHARACTER SET utf8 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

--
-- Dumping data for table `qrcodeoptiontag`
--

INSERT INTO `qrcodeoptiontag` (`shortname`, `longname`) VALUES
('123', 'Test1'),
('456', 'Test2'),
('789', 'Test3'),
('0123', 'Test4'),
('4567', 'Test5');
COMMIT;

/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;

<?php
	header('Content-Type: text/html; charset=UTF-8');
    
    include ("connect.php");   
 
    $db = new mysqli('localhost', $dbuser, $dbpass, $dbname);       
    mysqli_set_charset($db, "utf8");    
     
    if (!$db) {        
    exit('Connect Error (' . mysqli_connect_errno() . ') '            
    . mysqli_connect_error());    }
 
?>

<?php    
/*
 * PHP QR Code encoder
 *
 * Exemplatory usage
 *
 * PHP QR Code is distributed under LGPL 3
 * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */
 
 error_reporting(error_reporting() & ~E_NOTICE);
    
    //set it to writable location, a place for temp generated PNG files
    $PNG_TEMP_DIR = dirname(__FILE__).DIRECTORY_SEPARATOR.'temp'.DIRECTORY_SEPARATOR;
    
    //html PNG location prefix
    $PNG_WEB_DIR = 'temp/';

    include "qrlib.php";    
    
    //ofcourse we need rights to create temp dir
    if (!file_exists($PNG_TEMP_DIR))
        mkdir($PNG_TEMP_DIR);
    
    
    $filename = $PNG_TEMP_DIR.'test.png';
    
    //processing form input
    //remember to sanitize user input in real-life solution !!!
    $errorCorrectionLevel = 'L';
    if (isset($_REQUEST['level']) && in_array($_REQUEST['level'], array('L','M','Q','H')))
        $errorCorrectionLevel = $_REQUEST['level'];    

    $matrixPointSize = 4;
    if (isset($_REQUEST['size']))
        $matrixPointSize = min(max((int)$_REQUEST['size'], 1), 10);


    if (isset($_REQUEST['data'])) { 
    
        //it's very important!
        if (trim($_REQUEST['data']) == '')
            die('ข้อมูลที่ช่องใส่รหัส ไม่สามารถปล่อยให้ว่างได้ <br><br><a href="?">ย้อนกลับ</a>');
            
        // user data
        $filename = $PNG_TEMP_DIR.'test'.md5($_REQUEST['data'].'|'.$errorCorrectionLevel.'|'.$matrixPointSize).'.png';
        QRcode::png($_REQUEST['data'], $filename, $errorCorrectionLevel, $matrixPointSize, 2);    
        
    }   
        
    //display generated file
    echo '<img src="'.$PNG_WEB_DIR.basename($filename).'" /><br>';
    //display generated file
    echo '<h1 style="margin-left: 17.5px;">'.$_REQUEST['data'].'</h1><br>';	
    
    //config form
    echo '<form action="index.php" method="post">
        ใส่รหัสที่ช่องนี้:&nbsp;<input id="material01" name="data" list="material" autocomplete="off"><datalist id="material">';
		
	$queryusers1 = "SELECT * FROM `qrcodeoptiontag` ";    
 
    $db01 = mysqli_query($db, $queryusers1);      
    while ( $d1=mysqli_fetch_assoc($db01)) {        
    echo "<option value='".$d1['shortname']."' />".$d1['longname']."</option>";    
    }
        
	echo '</datalist><br><br> ECC:&nbsp;<select name="level">
            <option value="H"'.(($errorCorrectionLevel=='H')?' selected':'').'>H - best</option>
        </select><br><br>
        Size:&nbsp;<select name="size">';
        
    for($i=8;$i<=8;$i++)
        echo '<option value="'.$i.'"'.(($matrixPointSize==$i)?' selected':'').'>'.$i.'</option>';
        
    echo '</select><br><br>
        <input type="submit" value="สร้าง QR Code"></form>';

<?php
    $dbname = 'qrcodeoptiontag';
    $dbuser = 'root';
    $dbpass = '';
?>

<!DOCTYPE html>

<html>
<head>
<meta charset="UTF-8" name="viewport" content="width=device-width, initial-scale=1">
<style>
input, label {
  font-size: 36px;
}
</style>
</head>

<body>

<?php
	header('Content-Type: text/html; charset=UTF-8');
    
    include ("connect.php");   
 
    $db = new mysqli('localhost', $dbuser, $dbpass, $dbname);       
    mysqli_set_charset($db, "utf8");    
     
    if (!$db) {        
    exit('Connect Error (' . mysqli_connect_errno() . ') '            
    . mysqli_connect_error());    }
 
?>

<label for="material"><b>Sample Datalist Display</b></label><br><br>

	  <input id="material01" name="data" list="material" autocomplete="off">	  

	  <datalist id="material">          

	  <?php          $queryusers1 = "SELECT * FROM `qrcodeoptiontag` ";    

	  $db01 = mysqli_query($db, $queryusers1);    	

	  while ( $d1=mysqli_fetch_assoc($db01)) {        
	  echo "<option value='".$d1['shortname']."' />".$d1['longname']."</option>"; 

	  }    ?>      

	  </datalist>	        

</body>
</html>