Untitled

<!DOCTYPE html>
<html>
<head>
	<title>Demo QR Code</title>
</head>
<body>
	<h1>PHP QR Code</h1>
<?php
//menentukan folder temporary untuk file gambar yang akan digenerate
$PNG_TEMP_DIR = dirname(__FILE__).DIRECTORY_SEPARATOR.'temp'.DIRECTORY_SEPARATOR;

//html PNG location prefix
$PNG_WEB_DIR = 'temp/';

include "phpqrcode-master/qrlib.php";

//jika folder belum ada, buat folder
if (!file_exists($PNG_TEMP_DIR))
    mkdir($PNG_TEMP_DIR);


$filename = $PNG_TEMP_DIR.'result.png';

//memproses input form
//sanitasi dulu input dari user. Penting ini supaya tidak di-hack!!!
$errorCorrectionLevel = 'L';
if (isset($_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'])) {

    //penting!
    if (trim($_REQUEST['data']) == '')
        die('data cannot be empty! <a href="?">back</a>');

    // user data
    $filename = $PNG_TEMP_DIR.'test'.md5($_REQUEST['data'].'|'.$errorCorrectionLevel.'|'.$matrixPointSize).'.png';
    QRcode::png($_REQUEST['data'], $filename, $errorCorrectionLevel, $matrixPointSize, 2);

} else {

    //default data
    echo 'You can provide data in GET parameter: <a href="?data=like_that">like that</a><hr/>';
    QRcode::png('PHP QR Code :)', $filename, $errorCorrectionLevel, $matrixPointSize, 2);

}

//menampilkan file yang sudah dihasilkan
echo '<img src="'.$PNG_WEB_DIR.basename($filename).'" /><hr/>';

//config form
echo '<form action="" method="post">
    Data:&nbsp;<textarea name="data">"'.(isset($_REQUEST['data'])?htmlspecialchars($_REQUEST['data']):'PHP QR Code :)').'"</textarea>&nbsp;
    ECC:&nbsp;<select name="level">
        <option value="L"'.(($errorCorrectionLevel=='L')?' selected':'').'>L - smallest</option>
        <option value="M"'.(($errorCorrectionLevel=='M')?' selected':'').'>M</option>
        <option value="Q"'.(($errorCorrectionLevel=='Q')?' selected':'').'>Q</option>
        <option value="H"'.(($errorCorrectionLevel=='H')?' selected':'').'>H - best</option>
    </select>&nbsp;
    Size:&nbsp;<select name="size">';

for($i=1;$i<=10;$i++)
    echo '<option value="'.$i.'"'.(($matrixPointSize==$i)?' selected':'').'>'.$i.'</option>';

echo '</select>&nbsp;
    <input type="submit" value="GENERATE"></form><hr/>';

// benchmark
QRtools::timeBenchmark();

 ?>
</body>
</html>