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File: index.php

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  Classes of Abhigyan Singh  >  PHP QR Code Generator Page  >  index.php  >  Download  
File: index.php
Role: Example script
Content type: text/plain
Description: Example script
Class: PHP QR Code Generator Page
Generate qr code images for given data
Author: By
Last change:
Date: 1 year ago
Size: 3,220 bytes
 

Contents

Class file image Download
<?php
include('library/php_qr_code/qrlib.php'); // Include a library for PHP QR code

if(isset($_REQUEST['submit']) and $_REQUEST['submit']!=""){

   
//its a location where generated QR code can be stored.
   
$qr_code_file_path = dirname(__FILE__).DIRECTORY_SEPARATOR.'qr_assets'.DIRECTORY_SEPARATOR;
   
$set_qr_code_path = 'qr_assets/';

   
// If directory is not created, the create a new directory
   
if(!file_exists($qr_code_file_path)){
       
mkdir($qr_code_file_path);
    }
   
   
//Set a file name of each generated QR code
   
$filename = $qr_code_file_path.time().'.png';
   
/* All the user generated data must be sanitize before the processing */
 
if (isset($_REQUEST['level']) && $_REQUEST['level']!='')
   
$errorCorrectionLevel = $_REQUEST['level'];

 if (isset(
$_REQUEST['size']) && $_REQUEST['size']!='')
   
$matrixPointSize = $_REQUEST['size'];
   
   
$frm_link = $_REQUEST['frm_qr'];
   
   
// After getting all the data, now pass all the value to generate QR code.
   
QRcode::png($frm_link, $filename, $errorCorrectionLevel, $matrixPointSize, 2);
}
?>

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">

    <div class="container">
        <div class="row justify-content-md-center">
        <div class="ml-2 col-sm-6">
            <?php if(isset($frm_link) and $frm_link!=""){?>
<div class="alert alert-success">QR created for <strong>[<?php echo $frm_link;?>]</strong></div>
            <div class="text-center"><img src="<?php echo $set_qr_code_path.basename($filename); ?>" /></div>
            <?php } ?>
<form method="post">
                <div class="form-group">
                    <label>Enter QR parameter</label>
                    <input type="text" name="frm_qr" id="frm_qr" class="form-control" placeholder="Enter QR parameter" required>
                </div>
                <div class="form-group">
                    <label>QR Code Level</label>
                    <select name="level" class="form-control">
                        <option value="L">L - smallest</option>
                        <option value="M" selected>M</option>
                        <option value="Q">Q</option>
                        <option value="H">H - best</option>
                    </select>
                </div>
                <div class="form-group">
                    <label>QR Code Size</label>
                    <select name="size" class="form-control">
                        <option value="1">1</option>
                        <option value="2">2</option>
                        <option value="3">3</option>
                        <option value="4" selected>4</option>
                        <option value="5">5</option>
                        <option value="6">6</option>
                        <option value="7">7</option>
                        <option value="8">8</option>
                        <option value="9">9</option>
                        <option value="10">10</option>
                    </select>
                </div>
                <div class="form-group">
                    <input type="submit" name="submit" value="Upload" class="btn btn-danger">
                </div>
            </form>
        </div>
        </div>
    </div>
   
   
   
    <!--Only these JS files are necessary-->
    <script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.6/umd/popper.min.js"></script>
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/js/bootstrap.min.js"></script>
</body>
</html>

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