WordPressの「投稿」を任意の表記に変更する方法

add_action( 'init', function() {
  global $wp_post_types;
  $name = 'ブログ';
  $labels = &$wp_post_types['post']->labels;
  $labels->name = $name;
  $labels->singular_name = $name;
  $labels->add_new = _x('追加', $name);
  $labels->add_new_item = $name.'の新規追加';
  $labels->edit_item = $name.'の編集';
  $labels->new_item = '新規'.$name;
  $labels->view_item = $name.'を表示';
  $labels->search_items = $name.'を検索';
  $labels->not_found = $name.'が見つかりませんでした';
  $labels->not_found_in_trash = 'ゴミ箱に'.$name.'は見つかりませんでした';
});

add_filter( 'post_type_labels_post', function( $labels ) {
  $name = 'ブログ';
  $labels->name = $name;
  $labels->singular_name = $name;
  return $labels;
});

add_action( 'admin_menu', function() {
  global $menu;
  global $submenu;
  $name = 'ブログ';
  $menu[5][0] = $name;
  $submenu['edit.php'][5][0] = $name.' 一覧';
  $submenu['edit.php'][10][0] = '新規追加';
});

add_action( 'admin_bar_menu', function($wp_admin_bar) {
  $name = 'ブログ';
  $new_post_node = $wp_admin_bar->get_node('new-post');
  $new_post_node->title = $name;
  $wp_admin_bar->add_node($new_post_node);
}, 1000 );