Created
January 24, 2019 13:14
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Auto add WooCommerce categories children in a wordpress menu
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add_filter("wp_get_nav_menu_items", function ($items, $menu, $args) { | |
if( $menu->term_id != 111 ) return $items ; | |
// don't add child categories in administration of menus | |
if (is_admin()) { | |
return $items; | |
} | |
foreach ($items as $index => $i) { | |
if ("product_cat" !== $i->object) { | |
continue; | |
} | |
$term_children = get_term_children($i->object_id, "product_cat"); | |
// add child categories | |
foreach ($term_children as $index2 => $child_id) { | |
$child = get_term($child_id); | |
if( $child->count == 0 ) continue; | |
$url = get_term_link($child); | |
$e = new \stdClass(); | |
$e->title = $child->name; | |
$e->url = $url; | |
$e->menu_order = 500 * ($index + 1) + $index2; | |
$e->post_type = "nav_menu_item"; | |
$e->post_status = "published"; | |
$e->post_parent = $i->ID; | |
$e->menu_item_parent = $i->ID; | |
$e->type = "custom"; | |
$e->object = "custom"; | |
$e->description = ""; | |
$e->object_id = 0; | |
$e->db_id = 0; | |
$e->ID = 0; | |
$e->classes = array(); | |
$items[] = $e; | |
} | |
} | |
return $items; | |
}, 10, 3); |
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