php qrencode is the wrapper of libqrencode to generate qr code.

only 2 function to generate qr code.

$qr = qr_encode('test for qrcode'); if (is_resource($qr)) { qr_save($qr, '1.png'); }

or you can output direct to stdout.

$qr = qr_encode('test for qrcode'); if (is_resource($qr)) { header("Content-type: image/PNG"); qr_save($qr); }

resource = qr_encode(string $text, [int $version, int $mode, int $casesensitive]); bool = qr_save(resource $qr, [string $filename, int $size, int $margin]);