[WordPress]タクソノミー管理画面にID列追加

タクソノミー:xxxxx

function add_columns_to_edit_category( $columns ){
    $new_columns = array();
    foreach ( $columns as $column_name => $column_display_name ) {
        if( $column_name == 'name' ) {
            $new_columns['ID'] = 'ID';
            echo '<style>#ID{width:70px;}</style>';
        }
        $new_columns[ $column_name ] = $column_display_name;
    }
    return $new_columns;
}
add_filter( "manage_edit-xxxxx_columns", 'add_columns_to_edit_category', 10);

function output_column_value_category( $value, $column_name, $term_id )
{
    $t = get_term($term_id);
    switch ($column_name){
        case 'ID':
            echo $t->term_id;
            break;
        default:
            break;
    }
}
add_action( "manage_xxxxx_custom_column", 'output_column_value_category', 10, 3);