Add a css class to a taxonomy permalink

I need to add a css class to every <a> element retrieved by the_terms() (or similar function) in order to open the taxonomy permalink in a fancybox modal window.
I’ve been searching this whole afternoon for a Filter that could handle it, with no success.

Anyway, I got into this (poor) solution below:

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$cities = get_the_terms($post->ID, 'cities');           

        foreach ($cities as $city) {
            echo '<a class="fancybox" href="'. get_term_link( $city->slug, 'cities' ).'">'.$city->name. '</a>' ;
        }

But it’s too ‘ugly’ to put in a template file.

Is there any wordpress filter that deals with this question of permalink html generation?

Thanks a lot!

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1 comment

  1. The filter you are looking for is term_links-$taxonomy, where $taxonomy is the taxonomy name. This will filter the $term_links links array before outputting by the_terms():

    add_filter('term_links-cities', 'ad_filter_links');
    
    function ad_filter_links($term_links) {
        foreach ($term_links as $term_link) {
            $term_link = str_replace('<a ', '<a class="fancybox"', $term_link);
        }
        return $term_links;
    }