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foreach ($categories as $category) {
    <li><a href="<?php echo get_category_link( $category->term_id ) ?>" title="<?php echo $category->name ?>"><?php the_term_thumbnail (  $category->term_id, $category->taxonomy, $size = 'thumbnail', $attr = '') ?><span><?php echo $category->name ?></span></a></li>
<?php } ?>

I use this code to display the categories from the "galeriak" taxonomy. Everything is working, except the href part, its return nothing. I tried it with and without the echo, but nothing seems to work. Any ideas?

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up vote 4 down vote accepted

You should be using get_term_link instead, also for consistencys sake and to future proof, use get_terms instead of get_categories. Both work on categories/tags and all custom taxonomies.

Also check for the return of a WP_Error object ( returned when an invalid or nonexistent term is passed )

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