下面的代码接近我的函数的顶部。php，并设置为仅在激活“我的主题”时运行：

if ( is_admin() && isset($_GET[\'activated\'] ) && $pagenow == \'themes.php\' ) {

然而，即使它创建了类别“my utilities”，它显然无法将category1和category2项的父项设置为新创建的类别。

也许对新创建的类别调用get\\u cat\\u id还为时过早？

我相信这与此有关，因为该类别在主题第二次激活时重新发布。我推测，这是因为将用作父级的类别之前已经创建，因此例程在查找其ID并将其用作category1和category2的父级时没有问题。

我错过了什么？

// with activate make sure theme\'s utility categories are present and parented correctly
if ( is_admin() && isset($_GET[\'activated\'] ) && $pagenow == \'themes.php\' ) {

    if (file_exists(ABSPATH.\'/wp-admin/includes/taxonomy.php\'))
    {
        require_once(ABSPATH.\'/wp-admin/includes/taxonomy.php\');    

        if(!get_cat_ID(\'my-utilities\')){wp_create_category(\'my-utilities\');}

        //find out the ID of the newly created category, "my-utilities"
        $my_default_cat = my_cat();

        if(!get_cat_ID(\'category1\')){wp_create_category(\'category1\',$my_default_cat);}
        if(!get_cat_ID(\'category2\')){wp_create_category(\'category2\',$my_default_cat);}

        //if the categories already existed, reparent them
        $myCategory1[\'cat_ID\'] = get_cat_id(\'category1\');
        $myCategory1[\'category_parent\'] = $my_default_cat;
        wp_update_category($myCategory1);

        $myCategory2[\'cat_ID\'] = get_cat_id(\'category2\');
        $myCategory2[\'category_parent\'] = $my_default_cat;
        wp_update_category($myCategory2);

    }
}


//utility category
function my_cat()
{
    if(get_cat_ID(\'my-utilities\')) 
    {
        return get_cat_ID(\'my-utilities\');
    }
    else
    {
        if(term_exists(1)) return "1";
        else return get_option(\'default_category\');
    }
}

register_activation_hook( __FILE__, \'your_plugin_activate_function_name\' );

$theme_version = get_option(\'my_theme_version\');

switch ((string) $theme_version) {
  // an early alpha... run upgrade code
  case \'0.1\':

  // another version... run upgrade code
  case \'0.5\':

  // add other cases as needed... without any break statement.

    // if we\'re here and in the admin area (to avoid race conditions),
    // actually save whichever changes we did
    if (is_admin()) {
      update_option(\'my_theme_version\', \'1.0\');
      // do other stuff
    }

  // we\'re at the latest version: bail here.
  case \'1.0\':
    break;

  default:
    // install code goes here
}