Builds an object with all taxonomy labels out of a taxonomy object.

Parameters

$taxWP_Taxonomyrequired

Taxonomy object.

Return

• name string
  General name for the taxonomy, usually plural. The same as and overridden by $tax->label. Default 'Tags'/'Categories'.
• singular_name string
  Name for one object of this taxonomy. Default 'Tag'/'Category'.
• search_items string
  Default ‘Search Tags'/'Search Categories’.
• popular_items string
  This label is only used for non-hierarchical taxonomies.
  Default ‘Popular Tags’.
• all_items string
  Default ‘All Tags'/'All Categories’.
• parent_item string
  This label is only used for hierarchical taxonomies. Default ‘Parent Category’.
• parent_item_colon string
  The same as parent_item, but with colon : in the end.
• name_field_description string
  Description for the Name field on Edit Tags screen.
  Default ‘The name is how it appears on your site’.
• slug_field_description string
  Description for the Slug field on Edit Tags screen.
  Default ‘The “slug” is the URL-friendly version of the name. It is usually all lowercase and contains only letters, numbers, and hyphens’.
• parent_field_description string
  Description for the Parent field on Edit Tags screen.
  Default ‘Assign a parent term to create a hierarchy.
  The term Jazz, for example, would be the parent of Bebop and Big Band’.
• desc_field_description string
  Description for the Description field on Edit Tags screen.
  Default ‘The description is not prominent by default; however, some themes may show it’.
• edit_item string
  Default ‘Edit Tag'/'Edit Category’.
• view_item string
  Default ‘View Tag'/'View Category’.
• update_item string
  Default ‘Update Tag'/'Update Category’.
• add_new_item string
  Default ‘Add New Tag'/'Add New Category’.
• new_item_name string
  Default ‘New Tag Name'/'New Category Name’.
• template_name string
  Default ‘Tag Archives'/'Category Archives’.
• separate_items_with_commas string
  This label is only used for non-hierarchical taxonomies. Default ‘Separate tags with commas’, used in the meta box.
• add_or_remove_items string
  This label is only used for non-hierarchical taxonomies. Default ‘Add or remove tags’, used in the meta box when JavaScript is disabled.
• choose_from_most_used string
  This label is only used on non-hierarchical taxonomies. Default ‘Choose from the most used tags’, used in the meta box.
• not_found string
  Default ‘No tags found'/'No categories found’, used in the meta box and taxonomy list table.
• no_terms string
  Default ‘No tags'/'No categories’, used in the posts and media list tables.
• filter_by_item string
  This label is only used for hierarchical taxonomies. Default ‘Filter by category’, used in the posts list table.
• items_list_navigation string
  Label for the table pagination hidden heading.
• items_list string
  Label for the table hidden heading.
• most_used string
  Title for the Most Used tab. Default ‘Most Used’.
• back_to_items string
  Label displayed after a term has been updated.
• item_link string
  Used in the block editor. Title for a navigation link block variation.
  Default ‘Tag Link'/'Category Link’.
• item_link_description string
  Used in the block editor. Description for a navigation link block variation. Default ‘A link to a tag'/'A link to a category’.

Source

function get_taxonomy_labels( $tax ) {
	$tax->labels = (array) $tax->labels;

	if ( isset( $tax->helps ) && empty( $tax->labels['separate_items_with_commas'] ) ) {
		$tax->labels['separate_items_with_commas'] = $tax->helps;
	}

	if ( isset( $tax->no_tagcloud ) && empty( $tax->labels['not_found'] ) ) {
		$tax->labels['not_found'] = $tax->no_tagcloud;
	}

	$nohier_vs_hier_defaults = WP_Taxonomy::get_default_labels();

	$nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];

	$labels = _get_custom_object_labels( $tax, $nohier_vs_hier_defaults );

	if ( ! isset( $tax->labels->template_name ) && isset( $labels->singular_name ) ) {
		/* translators: %s: Taxonomy name. */
		$labels->template_name = sprintf( _x( '%s Archives', 'taxonomy template name' ), $labels->singular_name );
	}

	$taxonomy = $tax->name;

	$default_labels = clone $labels;

	/**
	 * Filters the labels of a specific taxonomy.
	 *
	 * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
	 *
	 * Possible hook names include:
	 *
	 *  - `taxonomy_labels_category`
	 *  - `taxonomy_labels_post_tag`
	 *
	 * @since 4.4.0
	 *
	 * @see get_taxonomy_labels() for the full list of taxonomy labels.
	 *
	 * @param object $labels Object with labels for the taxonomy as member variables.
	 */
	$labels = apply_filters( "taxonomy_labels_{$taxonomy}", $labels );

	// Ensure that the filtered labels contain all required default values.
	$labels = (object) array_merge( (array) $default_labels, (array) $labels );

	return $labels;
}

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Hooks

apply_filters( “taxonomy_labels_{$taxonomy}”, object $labels )

Filters the labels of a specific taxonomy.

Changelog