clean_object_term_cache

clean_object_term_cache: 这个函数清除了对象术语的缓存。对象术语是与文章、页面或自定义文章类型相关的术语或类别: 当这个函数被调用时，它清除了所有对象术语数据的缓存。

从缓存中删除术语的分类关系。

将删除包含术语`$object_id`的整个分类关系。术语ID必须存在于分类法`$object_type`中，才能进行删除。

function clean_object_term_cache( $object_ids, $object_type ) {
	global $_wp_suspend_cache_invalidation;

	if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
		return;
	}

	if ( ! is_array( $object_ids ) ) {
		$object_ids = array( $object_ids );
	}

	$taxonomies = get_object_taxonomies( $object_type );

	foreach ( $taxonomies as $taxonomy ) {
		wp_cache_delete_multiple( $object_ids, "{$taxonomy}_relationships" );
	}

	wp_cache_delete( 'last_changed', 'terms' );

	/**
	 * Fires after the object term cache has been cleaned.
	 *
	 * @since 2.5.0
	 *
	 * @param array  $object_ids An array of object IDs.
	 * @param string $object_type Object type.
	 */
	do_action( 'clean_object_term_cache', $object_ids, $object_type );
}