Sunday, October 21, 2012

Add QR Codes to your Printed Blog Pages

This nifty trick comes courtesy of labnol.
For Wordpress, paste the following before the </head> tag in either header.php or index.php:
<?php if (is_single()) : ?> <style type="text/css"> @media print { body:after { content:url (<?= the_permalink(); ?>) } } </style> <?php endif; ?>

For Blogger, the instructions sound a bit more complex ("if you are using the new XML based Blogger templates, you probably need to use data:blog.canonicalUrl for the permalink with the condition set as since we are only displaying QR codes on individual post pages and not the archives"), but the code is similar:

<ItemPage><Blogger> <style type="text/css"> @media print { body:after { content:url (<$BlogItemPermalinkURL$>) } } </style> </Blogger></ItemPage>

I have yet to implement it and test it - at which point I might modify this text. However, I thought this is way too nice to keep just for myself. Enjoy and see the original below!
Sources / More Info: labnol

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