Define a Custom Taxonomy
add_action( 'init', 'ww_create_taxonomies' );
function ww_create_taxonomies()
{
// Add new taxonomy, NOT hierarchical (like tags)
register_taxonomy(
'ww_languages', // Unique ID for the "Languages" taxonomy. (always use a prefix)
'ww_products', // The post-type(s) this taxonomy can be applied-to .
array(
'hierarchical' => false,
'labels' => array(
'name' => _x( 'Languages', 'taxonomy general name' ),
'singular_name' => _x( 'Language', 'taxonomy singular name' ),
'search_items' => __( 'Search Languages' ),
'popular_items' => __( 'Popular Languages' ),
'all_items' => __( 'All Languages' ),
'parent_item' => null, // Not needed because 'hierarchical' is false.
'parent_item_colon' => null, // Not needed because 'hierarchical' is false.
'edit_item' => __( 'Edit Language' ),
'update_item' => __( 'Update Language' ),
'add_new_item' => __( 'Add New Language' ),
'new_item_name' => __( 'New Language Name' ),
'separate_items_with_commas' => __( 'Separate languages with commas' ),
'add_or_remove_items' => __( 'Add or remove languages' ),
'choose_from_most_used' => __( 'Choose from the most used languages' ),
'not_found' => __( 'No languages found.' ),
'menu_name' => __( 'Languages' ),
),
'show_ui' => true,
'show_admin_column' => true,
'update_count_callback' => '_update_post_term_count',
'query_var' => true,
'rewrite' => array( 'slug' => 'languages' ),
)
);
}
Custom Taxonomy Template Files Hierarchy
taxonomy-{taxonomy ID}-{taxonomy-term}.php
taxonomy-{taxonomy ID}.php
taxonomy.php
archive.php
index.php