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    QR Code Generate Class in PHP

    A QR code (short for Quick Response) is a specific matrix barcode (or two-dimensional code), readable by dedicated QR barcode readers and camera phones. The code consists of black modules arranged in a square pattern on a white background. The information encoded can be text, URL or other data.

    QR code is pretty efficient in spreading messages to smartphone devices. You can use your iphone, ipad, android phone or other smartphones to scan the code anywhere, then you would be able to add contacts, calendar event, open an url, send an email or any other information stored in the code, without typing.

    It’s very simple to generate a QR code using Google Chart API. I encapsulate it in a php class for easy use. The code is as follows:

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