Schema.org itemprop="url" inside anchor object (link)

Question

I'm trying to use the preprocess function to change the default outpot of links <a href> to include Schema.org's itemprop="url" inside the anchor object, as well as adding a <span itemprop="title"> to the title of the link. For example:

<a href="www.example.com" itemprop="url"><span itemprop="title">Example Title</span></a>

*Just to clarify: I want to do this for any link, not just menu or breadcrumb links.

I have managed to do something similar with images using the following code inside my template.php file, but had no luck with adapting it to links:

function THEME_preprocess_image(&$vars)
{
$vars["attributes"]["itemprop"] = "image";
}

Source can be found here.

I know that Microdata module might be able to handle that with a few modifications, however, I'd rather do everything manually instead.

I have spent hours searching for solutions but couldn't find any.. Any help would be greatly appreciated, thanks!

Answer 1

So after spending some more time on the matter, I finally found the solution and I am posting it here in case anyone is interested.

Simply put the following code in your template.php file, inside your theme folder:

function YOUR-THEME_link($variables) {
  return '<a itemprop="url" href="' . check_plain(url($variables['path'], $variables['options'])) . '"' . drupal_attributes($variables['options']['attributes']) . '><span itemprop="title">' . ($variables['options']['html'] ? $variables['text'] : check_plain($variables['text'])) . '</span></a>';
}

Hope that helps.. Remember to change 'YOUR-THEME' to your theme's name, and don't forget to clear the cache.