Have you ever wanted to generate a Quick Response Code / QR code for a post or page of your wordpress website? Simply add this small snippet to the single.php of your wordpress theme in the location you wish to display the QR. To adjust the size of the QR post / page image just change the following within the src size=100×100.
<img src="http://api.qrserver.com/v1/create-qr-code/?size=100x100&data=<?php the_permalink(); ?>" alt="QR: <?php the_title(); ?>"/>
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