phpnuxbill/qrcode/index.php
2021-08-19 13:38:29 +07:00

43 lines
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1.4 KiB
PHP

<?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
*/
include "qrlib.php";
//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);
//it's very important!
if (trim($_REQUEST['data']) == '')
die('?data=text');
QRcode::png($_REQUEST['data'], false, $errorCorrectionLevel, $matrixPointSize, 2);