QR-PHP-3

<?php
include('phpqrcode/qrlib.php');
if(isset($_POST['data'])){
    $text = $_POST['text'];
    $folder = "images/";
    $file_name = "qr.png";
    $file_name = $folder.$file_name;

    QRcode::png($text,false, QR_ECLEVEL_H, 10, 3);
    echo"<img src='images/qr.png'>";
}
?>

<html>
<head>
    <title>QR Code Generator</title>
</head>
<body>
    <form method="POST">
        <input type="text" name="text" placeholder="Tuliskan Sesuatu">
        <input type="submit" name="data">
    </form>
</body>
</html>