Title: wp_xmlrpc_server::wp_getTaxonomies
Published: April 25, 2014
Last modified: May 20, 2026

---

# wp_xmlrpc_server::wp_getTaxonomies( array $args ): array|󠀁[IXR_Error](https://developer.wordpress.org/reference/classes/ixr_error/)󠁿

## In this article

 * [Description](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#description)
    - [See also](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#see-also)
 * [Parameters](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#source)
 * [Hooks](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#hooks)
 * [Related](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#wp--skip-link--target)

Retrieves all taxonomies.

## 󠀁[Description](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#description)󠁿

### 󠀁[See also](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#see-also)󠁿

 * [get_taxonomies()](https://developer.wordpress.org/reference/functions/get_taxonomies/)

## 󠀁[Parameters](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#parameters)󠁿

 `$args`arrayrequired

Method arguments. Note: arguments must be ordered as documented.

 * `0` int
 * Blog ID (unused).
 * `1` string
 * Username.
 * `2` string
 * Password.
 * `3` array
 * Optional. An array of arguments for retrieving taxonomies.
 * `4` array
 * Optional. The subset of taxonomy fields to return.

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#return)󠁿

 array|[IXR_Error](https://developer.wordpress.org/reference/classes/ixr_error/)
An associative array of taxonomy data with returned fields determined by `$fields`,
or an [IXR_Error](https://developer.wordpress.org/reference/classes/ixr_error/) 
instance on failure.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#source)󠁿

    ```php
    public function wp_getTaxonomies( $args ) {
    	if ( ! $this->minimum_args( $args, 3 ) ) {
    		return $this->error;
    	}

    	$this->escape( $args );

    	$username = $args[1];
    	$password = $args[2];
    	$filter   = $args[3] ?? array( 'public' => true );

    	if ( isset( $args[4] ) ) {
    		$fields = $args[4];
    	} else {
    		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
    		$fields = apply_filters( 'xmlrpc_default_taxonomy_fields', array( 'labels', 'cap', 'object_type' ), 'wp.getTaxonomies' );
    	}

    	$user = $this->login( $username, $password );
    	if ( ! $user ) {
    		return $this->error;
    	}

    	/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
    	do_action( 'xmlrpc_call', 'wp.getTaxonomies', $args, $this );

    	$taxonomies = get_taxonomies( $filter, 'objects' );

    	// Holds all the taxonomy data.
    	$struct = array();

    	foreach ( $taxonomies as $taxonomy ) {
    		// Capability check for post types.
    		if ( ! current_user_can( $taxonomy->cap->assign_terms ) ) {
    			continue;
    		}

    		$struct[] = $this->_prepare_taxonomy( $taxonomy, $fields );
    	}

    	return $struct;
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-xmlrpc-server.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/class-wp-xmlrpc-server.php#L2614)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-xmlrpc-server.php#L2614-L2655)

## 󠀁[Hooks](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#hooks)󠁿

 [do_action( ‘xmlrpc_call’, string $name, array|string $args, wp_xmlrpc_server $server )](https://developer.wordpress.org/reference/hooks/xmlrpc_call/)

Fires after the XML-RPC user has been authenticated but before the rest of the method
logic begins.

 [apply_filters( ‘xmlrpc_default_taxonomy_fields’, array $fields, string $method )](https://developer.wordpress.org/reference/hooks/xmlrpc_default_taxonomy_fields/)

Filters the default taxonomy query fields used by the given XML-RPC method.

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#related)󠁿

| Uses | Description | 
| [get_taxonomies()](https://developer.wordpress.org/reference/functions/get_taxonomies/)`wp-includes/taxonomy.php` |

Retrieves a list of registered taxonomy names or objects.

  | 
| [wp_xmlrpc_server::minimum_args()](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/minimum_args/)`wp-includes/class-wp-xmlrpc-server.php` |

Checks if the method received at least the minimum number of arguments.

  | 
| [wp_xmlrpc_server::_prepare_taxonomy()](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/_prepare_taxonomy/)`wp-includes/class-wp-xmlrpc-server.php` |

Prepares taxonomy data for return in an XML-RPC object.

  | 
| [current_user_can()](https://developer.wordpress.org/reference/functions/current_user_can/)`wp-includes/capabilities.php` |

Returns whether the current user has the specified capability.

  | 
| [apply_filters()](https://developer.wordpress.org/reference/functions/apply_filters/)`wp-includes/plugin.php` |

Calls the callback functions that have been added to a filter hook.

  | 
| [do_action()](https://developer.wordpress.org/reference/functions/do_action/)`wp-includes/plugin.php` |

Calls the callback functions that have been added to an action hook.

  | 
| [wp_xmlrpc_server::escape()](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/escape/)`wp-includes/class-wp-xmlrpc-server.php` |

Escapes string or array of strings for database.

  | 
| [wp_xmlrpc_server::login()](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/login/)`wp-includes/class-wp-xmlrpc-server.php` |

Logs user in.

  |

[Show 5 more](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#)
[Show less](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#)

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wp_xmlrpc_server/wp_gettaxonomies/?output_format=md#changelog)󠁿

| Version | Description | 
| [3.4.0](https://developer.wordpress.org/reference/since/3.4.0/) | Introduced. |

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