我想我设法创建一个脚本，使之成为可能：
产品由客户组成员显示 https://gist.github.com/DarkAllMan/cffb114eb97c6f26882e54793e023587
<?php
/**
Plugin Name: WooCommerce - Hide categories where no products are visible to user
Plugin URI: https://www.randall.nl
Description: Excludes categories with no visible products from the WooCommerce category overview in shop
Version: 0.1
Author: Randall Kam
Author URI: https://www.randall.nl
*/
if (! defined('ABSPATH')) {
exit; // Exit if accessed directly
}
if (!class_exists('ExcludeCats')) :
class ExcludeCats {
public $version = '0.1',
$exclude = array();
protected static $_instance = null;
/**
* Main Plugin Instance
*
* Ensures only one instance of plugin is loaded or can be loaded.
*/
public static function instance() {
if (is_null(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Constructor
*/
public function __construct() {
// CHECK CATEGORIES FOR VISIBLE PRODUCTS
add_action('wp_head', array($this, 'get_excluded_cats'), 10, 3);
// ADD THE WIDGET SIDEBAR FILTER
add_filter('woocommerce_product_categories_widget_args', array($this, 'kfg_exclude_categories_from_widget'), 10, 1);
// ADD THE SHOP FILTER
add_filter('woocommerce_product_subcategories_args', array($this, 'filter_woocommerce_product_subcategories_args'), 10, 1);
}
// GET CATEGORIES WITH NO VISIBLE PRODUCTS AND PUT IN GLOBAL IF GLOBAL FALSE
public function get_excluded_cats($terms, $taxonomies, $args) {
$current_tax = get_query_var('product_cat');
$term =get_term_by('slug', $current_tax, 'product_cat');
$term_id = $term->term_id;
$args = array(
'parent' => $term_id,
'hide_empty' => false,
'hierarchical' => false,
);
$product_categories = get_terms('product_cat', $args);
// if a product category and on the shop page
//if (in_array('product_cat', $taxonomies) && ! is_admin() && is_shop()) {
if (! is_admin() && is_shop()) {
foreach ($product_categories as $key => $term) {
unset($this->exclude);
if($term->taxonomy=='product_cat'){
$posts = get_posts(array('post_type' => 'product', 'posts_per_page' => -1, 'product_cat' => $term->slug, 'fields' => 'ids'));
$show_category = false;
foreach ($posts as $post) {
$product = new WC_Product($post);
$visible_product = $product->is_visible();
if (true === $visible_product) {
$show_category = true;
break;
}
}
}
if (false === $show_category) {
$this->exclude[] = $term->term_id;
}
}
}
}
public function get_parent_cats ($cat_termid, $found = array()) {
array_push ($found, $cat_termid);
$term =get_term_by('term_id', $cat_termid, 'product_cat');
if($term->parent > 0){
return get_parent_cats($term->parent, $found);
}
return $found;
}
// ADD FILTERS FOR CATEGORIES AND EXCLUDE EMPTY
public function filter_woocommerce_product_subcategories_args($temp_args = array()) {
$current_tax = get_query_var('product_cat');
$term =get_term_by('slug', $current_tax, 'product_cat');
$term_id = $term->term_id;
$temp_args = array(
'parent' => $term_id,
'menu_order' => 'ASC',
'hide_empty' => 1,
'hierarchical' => 1,
'taxonomy' => 'product_cat',
'pad_counts' => 1,
'include' => NULl,
'exclude' => $this->exclude,
);
return $temp_args;
}
public function kfg_exclude_categories_from_widget($category_list_args) {
$current_tax = get_query_var('product_cat');
$term = get_term_by('slug', $current_tax, 'product_cat');
$term_id = $term->term_id;
$parents = $this->get_parent_cats($term_id);
$args = array(
'hide_empty' => false,
'hierarchical' => true,
);
$product_categories = get_terms('product_cat', $args);
$wexclude = array();
foreach ($product_categories as $category) {
$posts = get_posts(array('post_type' => 'product', 'posts_per_page' => -1, 'product_cat' => $category->slug, 'fields' => 'ids'));
$show_category = false;
foreach ($posts as $post) {
$product = new wC_Product($post);
$visible_product = $product->is_visible();
if (true === $visible_product) {
$show_category = true;
break;
}
}
if (false === $show_category || ($category->parent > 0 && !in_array($category->parent,$parents))) {
$wexclude[] = $category->term_id;
}
}
if (! empty($wexclude)) {
$category_list_args['exclude'] = implode(',', $wexclude);
unset($category_list_args['include']);
}
return $category_list_args;
}
} // class ExcludeCats
endif; // class_exists
/**
* Returns the main instance of the plugin class to prevent the need to use globals.
*
* @since 2.0
* @return WooCommerce_PostcodeAPInu
*/
function ExcludeCats() {
return ExcludeCats::instance();
}
ExcludeCats(); // load plugin