Create a PDF viewer shortcode

If you’re using PDF files on your WordPress blog, it could be very cool to give your users the chance to open them using Google Docs. The following recipe will show you how you can do that.

The first step is to paste the following code into your functions.php file:

function pdflink($attr, $content) {
	return '<a href="http://docs.google.com/viewer?url=' . $attr['href'] . '">'.$content.'</a>';
}
add_shortcode('pdf', 'pdflink');

Once you saved the file, you’ll be able to use the shortcode on your posts and page. Here is the syntax:

[pdf href="http://yoursite.com/file.pdf"]View PDF[/pdf]

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