Simple displaying of QR codes.
See https://google-developers.appspot.com/chart/infographics/docs/qr_codes for more infos.
Tested with cakePHP 2.x
Includes functions to create QR codes for:
* free text
* contacts
* email sending
* calendar events
* Geolocations
* Android Market Searches
* MMS sending
* SMS sending
* Telephone calls
* URLs
Usage:
* Copy the "QrCodeHelper.php" to your "app/View/Helper" folder.
* In the Controller add 'QrCode' to you helpers array.
* In the view for example do "<? echo $this->QrCode->text('Hello World'); ?>"
Second parameter always is an optional option array. For explanation of these options and the required parameter for each function read the well documented Code. :)