WordPress Version: 6.1
/**
* If the term being split is a nav_menu, changes associations.
*
* @ignore
* @since 4.3.0
*
* @param int $term_id ID of the formerly shared term.
* @param int $new_term_id ID of the new term created for the $term_taxonomy_id.
* @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split.
* @param string $taxonomy Taxonomy for the split term.
*/
function _wp_check_split_nav_menu_terms($term_id, $new_term_id, $term_taxonomy_id, $taxonomy)
{
if ('nav_menu' !== $taxonomy) {
return;
}
// Update menu locations.
$locations = get_nav_menu_locations();
foreach ($locations as $location => $menu_id) {
if ($term_id === $menu_id) {
$locations[$location] = $new_term_id;
}
}
set_theme_mod('nav_menu_locations', $locations);
}