$tid,'seccode'=>$seccode)); if(!file_exists($file) || !filesize($file)) { dmkdir($dir); require_once DISCUZ_ROOT.'source/plugin/mobile/qrcode.class.php'; QRcode::png($validationurl, $file, QR_ECLEVEL_Q, 3); } dheader('Content-Disposition: inline; filename=qrcode_index.jpg'); dheader('Content-Type: image/pjpeg'); @readfile($file); ?>