php--二维码生成代码

谷歌开源的二维码生成代码 //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);