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

		$this->escape( $args );

		$username = $args[1];
		$password = $args[2];
		$filter   = isset( $args[3] ) ? $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' );

		$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;
	}