This is a QRCode library for Codeigniter 2.x.
Put bb_qrcode.php
into your applications/libraries/
and put directory qrcode
in somewhere. then use it like this:
$this->load->library('bb_qrcode');
$url = 'http://foo.bar';
$params['data'] = $url;
$params['level'] = 'M';
$params['size'] = 6;
$params['savename'] = FCPATH.'static/qrcode/qrocde.png';
$this->bb_qrcode->generate($params);