WordPress タグのカテゴリ化メモ

デフォルトのままだと投稿する時にタグを使うのがしんどい(ㆁᴗㆁ；)

@see https://ja.wordpress.org/support/topic/tag%E6%A9%9F%E8%83%BD%E3%81%AE%E5%89%8A%E9%99%A4-or-tag%E3%81%AEhierarchical%E5%8C%96%EF%BC%88%E9%9A%8E%E5%B1%A4%E5%8C%96%EF%BC%89%E3%81%AE%E6%96%B9%E6%B3%95%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6/

functions.phpに追加

// タグのカテゴリー化 -------------------------------------------------------------------------------
function re_register_post_tag_taxonomy() {
	global $wp_rewrite;
	$rewrite = array(
		'slug' => get_option('tag_base') ? get_option('tag_base') : 'tag',
		'with_front' => ! get_option('tag_base') || $wp_rewrite->using_index_permalinks(),
		'ep_mask' => EP_TAGS,
	);
	 
	$labels = array(
		'name' => _x( 'Tags', 'taxonomy general name' ),
		'singular_name' => _x( 'Tag', 'taxonomy singular name' ),
		'search_items' => __( 'Search Tags' ),
		'popular_items' => __( 'Popular Tags' ),
		'all_items' => __( 'All Tags' ),
		'parent_item' => null,
		'parent_item_colon' => null,
		'edit_item' => __( 'Edit Tag' ),
		'view_item' => __( 'View Tag' ),
		'update_item' => __( 'Update Tag' ),
		'add_new_item' => __( 'Add New Tag' ),
		'new_item_name' => __( 'New Tag Name' ),
		'separate_items_with_commas' => __( 'Separate tags with commas' ),
		'add_or_remove_items' => __( 'Add or remove tags' ),
		'choose_from_most_used' => __( 'Choose from the most used tags' ),
		'not_found' => __( 'No tags found.' )
	);
	 
	register_taxonomy( 'post_tag', 'post', array(
		'hierarchical' => true,
		'query_var' => 'tag',
		'rewrite' => $rewrite,
		'public' => true,
		'show_ui' => true,
		'show_admin_column' => true,
		'_builtin' => true,
		'labels' => $labels
	) );
}

add_action( 'init', 're_register_post_tag_taxonomy', 1 );
// タグのカテゴリー化 ここまで ------------------------------------------------------------------------