How Do I Create a Custom Taxonomy in WooCommerce?

There are two types of taxonomies in WooCommerce: product taxonomies and customer taxonomies. Product taxonomies are used to group products together, while customer taxonomies are used to group customers together. In this article, we will focus on how to create a custom product taxonomy in WooCommerce.

Product taxonomies in WooCommerce are used to categorize and organize products. By default, WooCommerce comes with three built-in product taxonomies: product categories, product tags, and product shipping class. However, you can also create custom product taxonomies to better suit your needs.

Creating a custom product taxonomy in WooCommerce is a two-step process: first, you need to register the taxonomy, and then you need to add thetaxonomy to a product.

To register a custom taxonomy, you need to add the following code to your theme’s functions.php file:

PRO TIP: This article provides instruction on how to create a custom taxonomy in WooCommerce. However, it is important to note that creating a custom taxonomy can have unforeseen consequences and may impact your site’s performance. Proceed with caution and always backup your site before making any changes.

function my_custom_taxonomy() {
$labels = array(
'name' => _x( 'My Custom Taxonomy', 
     'taxonomy general name', 
     'textdomain' ),
'singular_name' => _x( 'My Custom Taxonomy', 
     'taxonomy singular name', 
     'textdomain' ),
'search_items' => __( 'Search My Custom Taxonomies', 
     'textdomain' ),
'all_items' => __( 'All My Custom Taxonomies', 
     'textdomain' ),
'parent_item' => __( 'Parent My Custom Taxonomy', 
     'textdomain' ),
'parent_item_colon' => __( 'Parent My Custom Taxonomy:', 
     'textdomain' ),
'edit_item' => __( 'Edit My Custom Taxonomy', 
     'textdomain' ),
'update_item' => __( 'Update My Custom Taxonomy', 
     textdomain' ),
'separate_items_with_commas' => __( 'Separate my custom taxonomies with commas', 
     'textdomain'), 
 
 
// New in 3.0! This line is not required in prior versions of 
WordPress (3.0 or higher). It just gives you more options for how 
your data will be displayed in the admin interface. 
You can read more about this here: 
http://codex.WordPress.org/Function_Reference/register_
taxonomy#Arguments add_or_remove_items => __( 
 
 
 
'Add or remove my custom taxonomies', 'textdomain'), 
choose_from_most_used => __( 'Choose from the most used my custom taxonomies', 
    'textdomain'), 
 
not_found => __( "No my custom taxonomies found.", 
       "textdomain" ), 
 
no_terms => __("No my custom taxonomIES", 
       "textdomain"), ); 
    $args = array( 
 
// This array of options controls the labels displayed in 
the WordPress Admin UI 
    labels => $labels, 
 
// A string value of either hierarchical or 
non-hierarchical may be passed as name 
 
// This string determines whether a giventaxonomy 
is hierarchical (categories) or 
non-hierarchical (tags) hierarchical => true, 
 
// A boolean value that sets whether thetaxonomy should have a 
flat structure (like tags) or a hierarchy (like categories) 
    show_ui => true, 
 
// Whether to show the user interface for managing 
this taxonomy show_in_menu => true, 
 
// Whether to show this taxonomy in the WordPress Admin Menu 
     show_innavMenus => true, 
 
// Whether this taxes should be publicly queryable 
     public => true, 
 
// Whether this taxes is publicly editable 
     showTaxInQuickEdit => false, 
 
// Whether to show this taxes in the quick/bulk edit screen 
     metaBoxesCallback function () use (&$postType){ 
 
if (! ($postType instanceof WPPostType)) { 
    return; } $screen = getCurrentScreen(); 
if ($screen && $screen->id === "edit-" . 
    $postType->name) { 
     removeMetaBox("my-custom-tax"); 
     addMetaBox("my-custom-tax", 
         "My Custom Tax", 
         "renderTaxMetaBox", 
    $postType->name); 
} 
}, ); 
registerTax($args); } 
    addAction('init','myCustomTax'); 
function renderTaxMetaBox($postType){ 
    global $wpdb; $terms = getTerms([ "tax"=>"my-custom-tax", 
        "hideEmpty"=>false ]); 
 
foreach ($terms as &$term){ 
    $term->count = intval($wpdb->getVar(
    $wpdb->prepare("SELECT COUNT('*') FROM {
    $wpdb->termRelationships} WHERE termTaxId=%d AND 
       objectId IN (SELECT id FROM {
    $wpdb->posts} WHERE postStatus='publish')", 
    $term->termId))); } include pluginDirPath(__FILE__). 
'/views/metaboxes/my-custom-tax.php'; 
} ?>

How Do I Create a Custom Taxonomy in WooCommerce?

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Drew Clemente