WP_REST_Posts_Controller::update_item_permissions_check( WP_REST_Request $request ): true|WP_Error

893	public function update_item_permissions_check( $request ) {894		$post = $this->get_post( $request['id'] );895		if ( is_wp_error( $post ) ) {896			return $post;897		}898 899		$post_type = get_post_type_object( $this->post_type );900 901		if ( $post && ! $this->check_update_permission( $post ) ) {902			return new WP_Error(903				'rest_cannot_edit',904				__( 'Sorry, you are not allowed to edit this post.' ),905				array( 'status' => rest_authorization_required_code() )906			);907		}908 909		if ( ! empty( $request['author'] ) && get_current_user_id() !== $request['author'] && ! current_user_can( $post_type->cap->edit_others_posts ) ) {910			return new WP_Error(911				'rest_cannot_edit_others',912				__( 'Sorry, you are not allowed to update posts as this user.' ),913				array( 'status' => rest_authorization_required_code() )914			);915		}916 917		if ( ! empty( $request['sticky'] ) && ! current_user_can( $post_type->cap->edit_others_posts ) && ! current_user_can( $post_type->cap->publish_posts ) ) {918			return new WP_Error(919				'rest_cannot_assign_sticky',920				__( 'Sorry, you are not allowed to make posts sticky.' ),921				array( 'status' => rest_authorization_required_code() )922			);923		}924 925		if ( ! $this->check_assign_terms_permission( $request ) ) {926			return new WP_Error(927				'rest_cannot_assign_term',928				__( 'Sorry, you are not allowed to assign the provided terms.' ),929				array( 'status' => rest_authorization_required_code() )930			);931		}932 933		return true;934	}