QR Code generator
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PHP
How QR code is embedded in Certificate ( image ) using MySQL table data
How QR code is embedded in Certificate ( PDF ) using MySQL table data
A Quick Response Code ( QR Code ) is a machine-readable optical label that contains information about the item to which it is attached. Usually it is an ID or a link or some text which connects to more details.
The data is readable by a scaner. Smart phones can be used as scaner also.
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