Blog extension breaks Analyze Database Structure of the install tool with PHP 8.0

[DavidVoi]

Bug Report

Prerequisites

• Can you reproduce the problem on TYPO3 v9.5 LTS
• Can you reproduce the problem on TYPO3 v10.4 LTS
• Can you reproduce the problem on TYPO3 v11.x
• Did you perform a cursory search to see if your bug or feature is already reported?

Description

#1476107295 TYPO3\CMS\Core\Error\Exception
PHP Warning: Undefined array key "**foreign_table_where**" in /.../typo3conf/ext/blog/Configuration/TCA/Overrides/sys_category.php line 56

which as of today looks like this:

$GLOBALS['TCA']['pages']['columns']['categories']['config']['foreign_table_where']

Steps to Reproduce

1. Use PHP 8.0.15
2. Clean TYPO3 11.5.6
3. Install Blog extension
4. Analyze Database Structure of the install tool

Expected behavior: admin tool performs database check

Actual behavior: no database check, broken admin tool

Versions

11.0.2

Possibly related to

PHP warnings about undefined array keys (PHP 8.0)
#245

Fix PHP8 undefined array key warning in various places
https://forge.typo3.org/issues/94542

[dominikdoerr]

This should already be fixed for the next release: #238

[steffenf14]

the reported error is for version 11.0.2 in which it is not fixed as of today. having the same problem currently.
https://github.com/TYPO3GmbH/blog/blob/11.0.2/Configuration/TCA/Overrides/sys_category.php#L56