WP_REST_Global_Styles_Controller::update_item() WordPress Method

	public function update_item( $request ) {
		$post_before = $this->get_post( $request['id'] );
		if ( is_wp_error( $post_before ) ) {
			return $post_before;
		}

		$changes = $this->prepare_item_for_database( $request );
		$result  = wp_update_post( wp_slash( (array) $changes ), true, false );
		if ( is_wp_error( $result ) ) {
			return $result;
		}

		$post          = get_post( $request['id'] );
		$fields_update = $this->update_additional_fields_for_object( $post, $request );
		if ( is_wp_error( $fields_update ) ) {
			return $fields_update;
		}

		wp_after_insert_post( $post, true, $post_before );

		$response = $this->prepare_item_for_response( $post, $request );

		return rest_ensure_response( $response );
	}