Nowadays,QR code is used widely,we can see it almost everywhere, cell app, advertisements and some news websites. It is a type of tow-dimensional barcode and provide a new and fashion way to get new message for us. if you plan to add it to your website, your advertisement or video, you may wonder how to create it and today we introduce to use php and google api to create one.
Step 1: Check some useful information before creating a qr code
qr code is a carrier of message and massage it can carry is limited, 4,296 alphanumeric characters is its toplimit. So if you plan to use a qr code to store up your information, you must be sure the length of your information is not longer than 4,296.