wp_xmlrpc_server::wp_editTerm() WordPress Method

	public function wp_editTerm( $args ) {
		if ( ! $this->minimum_args( $args, 5 ) ) {
			return $this->error;
		}

		$this->escape( $args );

		$username       = $args[1];
		$password       = $args[2];
		$term_id        = (int) $args[3];
		$content_struct = $args[4];

		$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.editTerm', $args, $this );

		if ( ! taxonomy_exists( $content_struct['taxonomy'] ) ) {
			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
		}

		$taxonomy = get_taxonomy( $content_struct['taxonomy'] );

		$taxonomy = (array) $taxonomy;

		// Hold the data of the term.
		$term_data = array();

		$term = get_term( $term_id, $content_struct['taxonomy'] );

		if ( is_wp_error( $term ) ) {
			return new IXR_Error( 500, $term->get_error_message() );
		}

		if ( ! $term ) {
			return new IXR_Error( 404, __( 'Invalid term ID.' ) );
		}

		if ( ! current_user_can( 'edit_term', $term_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this term.' ) );
		}

		if ( isset( $content_struct['name'] ) ) {
			$term_data['name'] = trim( $content_struct['name'] );

			if ( empty( $term_data['name'] ) ) {
				return new IXR_Error( 403, __( 'The term name cannot be empty.' ) );
			}
		}

		if ( ! empty( $content_struct['parent'] ) ) {
			if ( ! $taxonomy['hierarchical'] ) {
				return new IXR_Error( 403, __( 'Cannot set parent term, taxonomy is not hierarchical.' ) );
			}

			$parent_term_id = (int) $content_struct['parent'];
			$parent_term    = get_term( $parent_term_id, $taxonomy['name'] );

			if ( is_wp_error( $parent_term ) ) {
				return new IXR_Error( 500, $parent_term->get_error_message() );
			}

			if ( ! $parent_term ) {
				return new IXR_Error( 403, __( 'Parent term does not exist.' ) );
			}

			$term_data['parent'] = $content_struct['parent'];
		}

		if ( isset( $content_struct['description'] ) ) {
			$term_data['description'] = $content_struct['description'];
		}

		if ( isset( $content_struct['slug'] ) ) {
			$term_data['slug'] = $content_struct['slug'];
		}

		$term = wp_update_term( $term_id, $taxonomy['name'], $term_data );

		if ( is_wp_error( $term ) ) {
			return new IXR_Error( 500, $term->get_error_message() );
		}

		if ( ! $term ) {
			return new IXR_Error( 500, __( 'Sorry, editing the term failed.' ) );
		}

		// Update term meta.
		if ( isset( $content_struct['custom_fields'] ) ) {
			$this->set_term_custom_fields( $term_id, $content_struct['custom_fields'] );
		}

		return true;
	}