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Suppose in the site there are frequent links to another website, always tree same, say Wikipedia. Is there a way to write links to Wikipedia in a shortened way, and tell wordpress to translate it?

Example: something like [wiki]/geography shorthand for en.wikipedia.org/wiki/geography

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Sure, you're looking for the shortcode API. That would enable you to write a short piece of code that does exactly what you want. As easy as this in your functions.php:

function wpse246274_wiki( $atts ) {
  $link = "http://en.wikipedia.org/wiki/" . $atts['link'];
  return $link;
  }
add_shortcode( 'wikilink', 'wpse246274_wiki' );

Which you would use like this in your post:

<a href="[wikilink link='geography']">Geography</a>

You could even leave out the attribute and just use

<a href="[wikilink]geography">Geography</a>

But that doesn't look as elegant.

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  • Thank you for the answer. I have an additional question: what if I want a shortcode for my site URL, in a way that does not depend on the actual URL? (using get_site_url() maybe?) Would it be possible? – geodude Nov 19 '16 at 0:22

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