[3.x] Nullable types must be explicit

Issue information

From user: millnut

Related to !55 (merged)

Contribution record

Fork management

Problem/Motivation

PHP 8.4 has deprecated implicit nullable types.

Steps to reproduce

Use in a PHP 8.4 environment

Proposed resolution

Use explicit nullable types (compatible with PHP 7.1+ so no compatibility concerns given Drupal core PHP minimums)

Edited by drupalbot
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information