Dynamic QR Code plugin for Wordpress

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Hiding contents - Part 1

Scenario

You want to display part of a post/page content only to users who scanned a QR code image.

Solution

dynamic qr code generator

Click on the QR-Codes menu voice of the plugin

create new

Click the button to open a new empty QR-Code

Insert the mandatory fields:

  • Description: enter an explanatory/mnemonic name for the QR-Code
  • Key: digit a sequence of characters
  • Redirect URL: select the post/page
dynamic qr code generator
save

Save the QR-Code in the database.

dynamic qr code generator

Click on the Enhanced QR code tab

generate

Click the button to create the enhanced version of the QR code image

In the Shortcode for content hiding field, click the icon button to copy the example to the clipboard (note: the number 33 is used as an example).

dynamic qr code generator

Paste the copied shortcode in the post/page content.

dynamic qr code generator

Modify the inner content of the shortcode to match what you want to display.

dynamic qr code generator
Form

If the page/post contains a form, you need to add the attribute form=1 to the shortcode:

[dynqrcode auth=33 form=1] ... [/dynqrcode]

If you selected "request method and custom field in form" in the Form check mode of Settings options, you have also to add an hidden input HTML control to the form:

<input type="hidden" name="dynqrcode_auth" value="33">

You can find the copy&paste HTML code in the QR-Code Edit page.

This way...

users who scanned the QR code enhanced image will see the content enclosed in the shortcode.

To improve the security, enable the QR code scanning only to MyFast APP applications.

How to use the standard image

If you wish to use the standard version of the QR code image you need to check the Enable content hiding with standard QR code image option of the Settings page.

Warning

The content hiding procedure is not hacker proof.

Do not hide sensitive data a/o crucial information.

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