the_ID() print the post ID. You need to use the get_the_ID() which return the post ID. Example: foreach (get_the_terms(get_the_ID(), ‘taxonomy’) as $cat) { echo $cat->name; } Always remember the naming convention of WordPress for template tags. the which mean to print get which mean to return in most of the cases.
It is because terms.slug and terms.name are both unique indexes with the MySQL table structure. Unique Packed Column Cardinality Collation PRIMARY BTREE Yes No term_id 13 A slug BTREE Yes No slug 13 A name BTREE No No name 13 A WordPress uses canonical redirects which mainly rely on a viable single posts.post_name or terms.slug … Read more
A user contributed a note in the codex saying the only difference is that get_the_terms use cached data Yes, get_the_terms relies on the object cache. This gives a scaling boost and a speed boost. If you have an object cache enabled this boost increases speed dramatically. and I already know that wp_get_post_terms let you retrieve … Read more
get_term_children() only outputs the term IDs, and you later get details for each term using get_term_by(). You can combine these queries in one using get_terms() with the child_of argument: get_terms( $taxonomyName, array( ‘child_of’ => $termID ) ); By default this sorts by name. However, it is possible that the child_of argument undoes the sorting. In … Read more
If you already have the term, like the term is an actual object you could use $term->parent. Otherwise you can do something like this: $term = get_term($id, ‘YOUR_TAXONOMY_HERE’); $termParent = ($term->parent == 0) ? $term : get_term($term->parent, ‘YOUR_TAXONOMY_HERE’); The 2nd portion of this is a shorthand if-else, IF it doesn’t have a parent, then we … Read more
Try something like this: by ID function woocommerce_subcats_from_parentcat_by_ID($parent_cat_ID) { $args = array( ‘hierarchical’ => 1, ‘show_option_none’ => ”, ‘hide_empty’ => 0, ‘parent’ => $parent_cat_ID, ‘taxonomy’ => ‘product_cat’ ); $subcats = get_categories($args); echo ‘<ul class=”wooc_sclist”>’; foreach ($subcats as $sc) { $link = get_term_link( $sc->slug, $sc->taxonomy ); echo ‘<li><a href=”‘. $link .'”>’.$sc->name.'</a></li>’; } echo ‘</ul>’; } by … Read more
get_terms supports a meta_query which calls a new WP_Meta_Query parameter as you can see here. To query your terms with your desired meta, you could change your function call to something like this: $args = array( ‘taxonomy’ => ‘categoria-de-productos’, ‘orderby’ => ‘meta_value_num’, ‘order’ => ‘ASC’, ‘hide_empty’ => false, ‘hierarchical’ => false, ‘parent’ => 0, ‘meta_query’ … Read more
The idea of term groups was to have a term with multiple aliases. This feature doesn’t seem to be fully backed and is therefore practically never used.