Views Pager setting 'Items per page' with empty value gives WSOD

Looking on this issue..

See also the related issue.

Changes are made on on 11.x (our main development branch) first, and are then back ported as needed according to the Core change policies → .

I have raised a Merge Request (MR) to address the TypeError that occurs when in view Items per page is left empty. This issue was causing unexpected behavior, and the MR ensures proper handling of such cases to prevent errors.

The issue 🐛 Implement constraints for Pager config Active contains a directive to use constraints, rather than if-then constructions.

if (is_null($value)) {$value = '';} can be shorter with $value ??= 0; . Setting 0 since we expect integers.