I needed to get the number of post per type per term so i created this small function: function get_term_post_count_by_type($term,$taxonomy,$type){ $args = array( ‘fields’ =>’ids’, //we don’t really need all post data so just id wil do fine. ‘posts_per_page’ => -1, //-1 to get all post ‘post_type’ => $type, ‘tax_query’ => array( array( ‘taxonomy’ => … Read more
To get a list of all terms of taxonomy X whose posts are associated to terms from taxonomy Y too, we have to: Get all term IDs for both taxonomies Create a tax query to fetch all posts, because we don’t want to show empty term archives. Format the result in a hierarchical list. Let’s … Read more
number (integer) The maximum number of terms to return. Default is to return them all. http://codex.wordpress.org/Function_Reference/get_terms So… $terms = get_terms(‘new_category’,array(‘number’ => 5)); But there is a good chance that some of your terms will never show up. You will get the first five or the last five (in the example) depending on the sort order. … Read more
No, a term can have many children, but only a single parent. The parent field in the database can hold only a single value. It is a hierarchical one to many relationship, not a many to many relationship. The same is true of posts. A post can have only 1 parent, but many children. To … Read more
Yes, but you need you make your own SQL query. A modified version of WP’s get_term(): function &get_term_by_id_only($term, $output = OBJECT, $filter=”raw”) { global $wpdb; $null = null; if ( empty($term) ) { $error = new WP_Error(‘invalid_term’, __(‘Empty Term’)); return $error; } if ( is_object($term) && empty($term->filter) ) { wp_cache_add($term->term_id, $term, ‘my_custom_queries’); $_term = $term; … Read more
Assuming your custom taxonomy is called artist (and you don’t override the slug in the rewrite parameter) you can use the rewrite tag %artist%. WordPress implements almost every functionality to use those rewrite tags in post permalinks. There are only a few small adaptations necessary. Building the Permalink First, you’ll need to use the post_link … Read more
You can add ‘post_status’ => ‘publish’ in your query to retrieve only objects with status publish , this will work for get_posts, query_posts or $wp_query and to include also custom taxonomies you can use tax_query in your args list
// We get a list taxonomies on the search box function get_tax_by_search($search_text){ $args = array( ‘taxonomy’ => array( ‘my_tax’ ), // taxonomy name ‘orderby’ => ‘id’, ‘order’ => ‘ASC’, ‘hide_empty’ => true, ‘fields’ => ‘all’, ‘name__like’ => $search_text ); $terms = get_terms( $args ); $count = count($terms); if($count > 0){ echo “<ul>”; foreach ($terms as … Read more
The Invalid Taxonomy error will be raised by the function get_terms(). You’re registring your taxonomy on the init action hook. Therefore you have to call your get_terms() function on the same or a later hook. Try this snippet. It should display all term names of your taxonomy, regardless if the term is empty. add_action(‘init’, ‘wpse29164_registerTaxonomy’); … Read more
As Mamaduka said there is currently no (native) way of storing meta-data for taxonmies. There is talk of it. But it has stalled since its proving difficult to agree on how best to implement it. For large amounts of data you might not want to use the options table. Alternatively you can create your own … Read more