Question

get_object_taxonomies( array|string|WP_Post $object,  string $output = 'names' )

Return the names or objects of the taxonomies which are registered for the requested object or object type, such as a post object or post type name.

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description

Example:

$taxonomies = get_object_taxonomies( 'post' );

This results in:

Array( 'category', 'post_tag' )

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参数

$object

(array|string|WP_Post) (Required) Name of the type of taxonomy object, or an object (row from posts)

$output

(string) (Optional) The type of output to return in the array. Accepts either taxonomy 'names' or 'objects'.

Default value: 'names'

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返回值

(array) The names of all taxonomy of $object_type.

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源代码

File: wp-includes/taxonomy.php

function get_object_taxonomies( $object, $output = 'names' ) {
	global $wp_taxonomies;

	if ( is_object($object) ) {
		if ( $object->post_type == 'attachment' )
			return get_attachment_taxonomies( $object, $output );
		$object = $object->post_type;
	}

	$object = (array) $object;

	$taxonomies = array();
	foreach ( (array) $wp_taxonomies as $tax_name => $tax_obj ) {
		if ( array_intersect($object, (array) $tax_obj->object_type) ) {
			if ( 'names' == $output )
				$taxonomies[] = $tax_name;
			else
				$taxonomies[ $tax_name ] = $tax_obj;
		}
	}

	return $taxonomies;
}

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更新日志

Version	description
2.3.0	Introduced.

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相关函数

Uses

• wp-includes/media.php: get_attachment_taxonomies()

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Used By

• wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::prepare_links()
• wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::get_item_schema()
• wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::get_collection_params()
• wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::prepare_item_for_response()
• wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::handle_terms()
• wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::check_assign_terms_permission()
• wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::get_items()
• wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php: WP_REST_Taxonomies_Controller::get_items_permissions_check()
• wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php: WP_REST_Taxonomies_Controller::get_items()
• wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php: WP_REST_Post_Types_Controller::prepare_item_for_response()
• wp-includes/class-wp-post-type.php: WP_Post_Type::unregister_taxonomies()
• wp-includes/post.php: wp_queue_posts_for_term_meta_lazyload()
• wp-admin/includes/export.php: wxr_post_taxonomy()
• wp-admin/includes/template.php: get_inline_data()
• wp-admin/includes/post.php: bulk_edit_posts()
• wp-admin/includes/class-wp-posts-list-table.php: WP_Posts_List_Table::inline_edit()
• wp-admin/includes/class-wp-posts-list-table.php: WP_Posts_List_Table::get_columns()
• wp-includes/class-wp-query.php: WP_Query::get_posts()
• wp-includes/taxonomy.php: update_object_term_cache()
• wp-includes/taxonomy.php: get_the_taxonomies()
• wp-includes/taxonomy.php: get_post_taxonomies()
• wp-includes/taxonomy.php: is_object_in_taxonomy()
• wp-includes/taxonomy.php: clean_object_term_cache()
• wp-includes/nav-menu-template.php: _wp_menu_item_classes_by_context()
• wp-includes/media.php: get_attachment_taxonomies()
• wp-includes/post.php: _update_term_count_on_transition_post_status()
• wp-includes/post.php: wp_delete_attachment()
• wp-includes/post.php: wp_delete_post()
• wp-includes/class-wp-xmlrpc-server.php: wp_xmlrpc_server::_insert_post()
• wp-includes/class-wp-xmlrpc-server.php: wp_xmlrpc_server::_prepare_post()
• wp-includes/class-wp-xmlrpc-server.php: wp_xmlrpc_server::_prepare_post_type()
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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by Codex

   Taxonomy names for post type

   
   <?php 
   	$taxonomy_names = get_object_taxonomies( 'post' );
   	print_r( $taxonomy_names);
   ?>
   

   will typically output:

   
   Array
   (
   	[0] => category
   	[1] => post_tag
   	[2] => post_format
   )
   

Taxonomy objects for post type
If the $output parameter is 'objects', taxonomy objects will be returned as described in get_taxonomies().

<?php 
	$taxonomy_objects = get_object_taxonomies( 'post', 'objects' );
	print_r( $taxonomy_objects);
?>

will output

Array
(
    [category] => stdClass Object
        (
            [hierarchical] => 1
            [update_count_callback] => 
            [rewrite] => 
            [query_var] => category_name
            [public] => 1
            [show_ui] => 1
            [show_tagcloud] => 1
            [_builtin] => 1
            [labels] => stdClass Object
                (
                    ...
                )
            ...
            [name] => category
            [label] => Categories
        )
    [post_tag] => stdClass Object
        (
            ...
        )
    [post_format] => stdClass Object
        (
            ....
        )
)

Taxonomy names for post object
To get the taxonomies for the current post, the current post object can be passed instead of the post type.

<?php 
add_action('wp_head','wpdocs_output_current_post_taxonomies');

/**
 * Output taxonomies for the current post
 */
function wpdocs_output_current_post_taxonomies(){
	global $post;

	$taxonomy_names = get_object_taxonomies( $post );
	print_r( $taxonomy_names );
}
?>

will output

Array
(
    [0] => category
    [1] => post_tag
    [2] => post_format
)