Fragen\GitHub_Updater\Base::delete_all_transients PHP Method

    public function delete_all_transients()
    {
        global $wpdb;
        $table = is_multisite() ? $wpdb->base_prefix . 'sitemeta' : $wpdb->base_prefix . 'options';
        $column = is_multisite() ? 'meta_key' : 'option_name';
        $delete_string = 'DELETE FROM ' . $table . ' WHERE ' . $column . ' LIKE %s LIMIT 1000';
        $wpdb->query($wpdb->prepare($delete_string, array('%_ghu-%')));
        return true;
    }