* * 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);